https://community.f5.com/discussions/technicalforum/irules/200225/replies/200230
irules | DevCentral
irulesdevcentral
https://community.f5.com/discussions/technicalforum/irules-to-redirect-based-on-simple-pay-per-click-tags/25160/replies/25163
irules to redirect based on simple pay-per-click 'tags' | DevCentral
We have a pair of BIG-IP F5 Load Balancers, running 10x+, which direct traffic between two web farms. Farm A) handles default traffic,...
pay per clickbased onirulesredirect
https://community.f5.com/discussions/technicalforum/is-this-doable-with-v4-x-irules/57418
Is this doable with v4.x irules? | DevCentral
I've run this by F5 support, and they said that it's doable in v9.x but weren't sure about v4.x. Here's an excerpt from our developers and what they...
xirulesdevcentral
https://community.f5.com/discussions/devcentralconnectsforum-board/coding-live-policies--irules---dec-8-2022/305681/replies/306070
Coding Live: Policies & iRules - Dec 8, 2022 | DevCentral
Policies and iRules. iRules and policies. Usage can be either/or OR both/and, but where do you draw the lines of operational control? Join Jason at 10:45...
codinglivepoliciesirulesdec
https://community.f5.com/discussions/technicalforum/irules-and-pop3/168490
iRules and POP3 | DevCentral
I'm not sure if this is possible, judging from the documentation I've read I'd say I've got an 50% chance of the folling being doable. I'm thinking...
irulesdevcentral
https://community.f5.com/discussions/technicalforum/remove-a-confirmed-ip-address-from-x-forwarded-for-using-irules/51939
remove a confirmed IP address from X-Forwarded-For using Irules | DevCentral
How to remove a confirmed IP from X-Forwarded-For such as 1.1.1.1 or 2.2.2.2,thanks a lot!
ip address
https://community.f5.com/discussions/technicalforum/irules-and-asm/18956
iRules and ASM | DevCentral
Hello, Great forum and resource. Looking for some help in using iRules in conjunction with ASM. I want to experiment...
irulesasmdevcentral
https://community.f5.com/discussions/technicalforum/irules-and-variable-initialization/235325
iRules and variable initialization | DevCentral
Hello, I'm new to F5 BigIP and there is something I don't understand well regarding iRules and variables. I have a VIP on which I have two iRules...
irulesvariableinitializationdevcentral
https://community.f5.com/discussions/technicalforum/how-to-inherit-a-generic-irules/208749
How to inherit a generic irules? | DevCentral
Hi, Guys. I am new to the irules business. Please help. I need to create hundreds of irule on GTM box like below. (one rule for...
how toinheritgenericirulesdevcentral
https://community.f5.com/kb/technicalarticles/ic2i---dumping-irules-/273964
iC2I - Dumping iRules. | DevCentral
Aug 4, 2008 - This installment of iC2I will show you how to dump an iRule - including statistic information and the actual rule - to the command line. Our purpose...
dumpingirulesdevcentral
https://community.f5.com/discussions/technicalforum/stop-processing-irules/132727/replies/132728
Stop processing iRules | DevCentral
I'm setting up some redirects and they're colliding a bit here. Is there any way to stop processing subsequent iRules? Here's what I see in the ltm logs....
stopprocessingirulesdevcentral
https://community.f5.com/discussions/devcentralconnectsforum-board/coding-live-policies--irules---dec-8-2022/305681/replies/305707
Coding Live: Policies & iRules - Dec 8, 2022 | DevCentral
Policies and iRules. iRules and policies. Usage can be either/or OR both/and, but where do you draw the lines of operational control? Join Jason at 10:45...
codinglivepoliciesirulesdec
https://community.f5.com/kb/technicalarticles/irules-concepts-tcl-the-how-and-why/275910
iRules Concepts: Tcl, The How and Why | DevCentral
Feb 13, 2012 - F5 uses Tcl as the interpreter for iRules. Many people often ask why that is. This questions is usually followed up by an immediate, "Why not Perl?" or "Why...
how and whyirulesconceptstcldevcentral
https://community.f5.com/discussions/technicalforum/irules-uri-with-session-id/118521
IRules URI with session ID | DevCentral
irulesurisessioniddevcentral
https://community.f5.com/discussions/technicalforum/adding-persistance-profiles-to-pools-using-irules/114019/replies/114025
Adding persistance profiles to pools using Irules | DevCentral
I have 2 persistance profiles that I need to apply to individual pools namely jupiter_60mins and earth_30mins. Since I cannot apply the...
addingpersistanceprofilespoolsusing
https://community.f5.com/kb/technicalarticles/a-catch-y-irules-situation/340315
A Catch-y iRules Situation | DevCentral
catchirulessituationdevcentral
https://community.f5.com/discussions/technicalforum/adding-persistance-profiles-to-pools-using-irules/114019/replies/114021
Adding persistance profiles to pools using Irules | DevCentral
I have 2 persistance profiles that I need to apply to individual pools namely jupiter_60mins and earth_30mins. Since I cannot apply the...
addingpersistanceprofilespoolsusing
https://community.f5.com/discussions/devcentralconnectsforum-board/coding-live-policies--irules---dec-8-2022/305681/replies/306069
Coding Live: Policies & iRules - Dec 8, 2022 | DevCentral
Policies and iRules. iRules and policies. Usage can be either/or OR both/and, but where do you draw the lines of operational control? Join Jason at 10:45...
codinglivepoliciesirulesdec
https://community.f5.com/discussions/technicalforum/adding-persistance-profiles-to-pools-using-irules/114019/replies/114022
Adding persistance profiles to pools using Irules | DevCentral
I have 2 persistance profiles that I need to apply to individual pools namely jupiter_60mins and earth_30mins. Since I cannot apply the...
addingpersistanceprofilespoolsusing
https://techdocs.f5.com/en-us/bigiq-7-1-0/managing-dns-using-big-iq/managing-gslb-irules-chpt.html
Managing GSLB iRules
managinggslbirules
https://community.f5.com/discussions/technicalforum/can-we-use-irules-to-dynamically-change-the-resource-pool-in-a-vip/35375
can we use iRules to dynamically change the resource pool in a VIP | DevCentral
I wish to utilise my VIPS with switchable resource pools during an infrastructure migration, changing the VIP names is not an option, so what I want to know...
https://community.f5.com/discussions/technicalforum/stop-processing-irules/132727/replies/132730
Stop processing iRules | DevCentral
I'm setting up some redirects and they're colliding a bit here. Is there any way to stop processing subsequent iRules? Here's what I see in the ltm logs....
stopprocessingirulesdevcentral
https://community.f5.com/kb/TechnicalArticles/advanced-irules-scan/289245?actionFeedback=redirectToRelatedPageForBaseUsers&ts=1778867212911
Advanced iRules: Scan | DevCentral
Oct 2, 2023 - Scan is used to parse out strings. It takes a string and based on your format parameters, stores the matches in one or more variables. It also returns the...
advancedirulesscandevcentral
https://community.f5.com/kb/technicalarticles/irules-recipe-2-transparent-request-target-rewriting/290640
iRules Recipe 2: Transparent Request Target Rewriting | DevCentral
Jun 5, 2023 - The Problem You want to show a maintenance page for pages related to a specific application (called borneo), but don't want to change the URL that appears...
irulesrecipetransparentrequesttarget
https://community.f5.com/discussions/technicalforum/irules-snmp-redirection/169187
iRules SNMP redirection | DevCentral
Hi, I looking for a solution where F5 will monitor SNMP data on one server pool and based on that it will redirect traffic to different server pool, is...
irulessnmpredirectiondevcentral
https://community.f5.com/kb/technicalarticles/advanced-irules-regular-expressions/290227
Advanced iRules: Regular Expressions | DevCentral
Oct 2, 2023 - A regular expression or regex for short is essentially a string that is used to describe or match a set of strings, according to certain syntax...
regular expressionsadvancedirulesdevcentral
https://community.f5.com/kb/communityarticles/hey-claude-can-you-write-irules/340881?topicRepliesSort=postTimeDesc&autoScroll=true
Hey Claude, can you write iRules? | DevCentral
Apr 17, 2025 - I asked Claude to write 5 different iRules.
can youheyclaudewriteirules
https://community.f5.com/discussions/technicalforum/irule-assistance---combining-irules/166368/replies/166371
iRule assistance - Combining iRules | DevCentral
assistancecombiningirulesdevcentral
https://community.f5.com/kb/technicalarticles/security-irules-101-you-cant-always-get-what-you-want-or-can-you/285116
Security Irules 101: You can't always get what you want.. or can you? | DevCentral
Nov 8, 2014 - Introduction iRules are a powerful tool in the F5 administrators arsenal. They allow administrators to adapt and customize the F5 to their needs. They...
you can
https://community.f5.com/discussions/technicalforum/new-to-irules-need-simple-uri-rule/32642
New to irules, need simple uri rule | DevCentral
Just need a simple irule for http requests, if the uri is /test1 use a test1 pool, if the uri is /test2 use test2 pool. Thanks!!!!
new toirulesneedsimpleuri
https://community.f5.com/discussions/technicalforum/it-doesnt-work-once-i-applied-the-irules-to-the-virtual-server/135170/replies/135173
it doesn't work once I applied the irules to the virtual server | DevCentral
the http profile settings on my virtual server is "none", and there is no irules added on my virtual server, and when I checked it with my apps by sending...
https://community.f5.com/discussions/technicalforum/setting-tcp-profiles-in-irules/247025
Setting tcp Profiles in iRules | DevCentral
I have several virtual servers that are to be accessed over both the local LAN and (Much) lower speed WAN connections... There are two different TCP profiles...
settingtcpprofilesirulesdevcentral
https://community.f5.com/discussions/technicalforum/irule-assistance---combining-irules/166368
iRule assistance - Combining iRules | DevCentral
assistancecombiningirulesdevcentral
https://community.f5.com/discussions/technicalforum/how-to-combine-two-irules-into-one/179621/replies/179625
How to combine two iRules into one? | DevCentral
Dears, First of all, I would like to say thanks to all of you that I have learned much on iRules in here. I have a...
how tocombinetwoirulesone
https://www.f5.com/pt_br/company/blog/tags/irules
Blog Posts On iRules | F5
Read about and gain more expertise on blog posts about iRules on F5.com.
blog postsirules
https://community.f5.com/discussions/technicalforum/apache-rewrite-pt-to-irules/56517
apache rewrite PT to iRules | DevCentral
Hello, Newbie on iRules here seeking help from you gurus. I want to move this apache functionality to the Big-IP...
apacherewriteptirulesdevcentral
https://community.f5.com/discussions/technicalforum/irulesredirect-to-other-site-or-pool/76230
[iRules]redirect to other site or pool | DevCentral
Hi, I'm trying redirect by host name. When the access http://aaa.com, redirect to https://bbb.com When the access https://bbb.com, just through to...
other siteirulesredirectpooldevcentral
https://community.f5.com/discussions/technicalforum/announcing-the-f5-management-pack-1-7-0-irules-based-object-health-events/116123
Announcing the F5 Management Pack 1.7.0: iRules-based object health events | DevCentral
The F5 Management Pack team has just released another version of our core Management Pack, which includes a new iRules feature and a variety of product...
https://community.f5.com/discussions/technicalforum/passive-monitoring-with-irules/267730
Passive monitoring with iRules | DevCentral
Our application folks have an app that until now has been behind a LocalDirector, which does passive monitoring. Now that they are behind the BigIP in the...
passive monitoringirulesdevcentral
https://community.f5.com/discussions/technicalforum/new-to-irules-need-persistance-based-on-virutal-directory/129174
New to iRules: Need persistance based on virutal directory | DevCentral
I am new to the iRules and I'm looking for a way to persist a virtual directory. Here is my issue. I have one website...
new tobased onirulesneedpersistance
https://community.f5.com/discussions/technicalforum/extended-logging-to-splunk-servers-beyond-syslog--analytic-profiles--irules-/214192/replies/214197
Extended logging to Splunk servers beyond Syslog & Analytic Profiles & iRules. | DevCentral
What has been configured to date. All syslog traffic is being sent to Splunk destination hosts. The Splunk hosts are external and have to transverse the...
extendedloggingsplunkservers
https://community.f5.com/discussions/technicalforum/cant-seem-to-call-a-pool-using-irules/134273/replies/134275
Can't seem to call a pool using iRules | DevCentral
Hi, We use the following version of BIG-IP Version BIG-IP 9.1.2 Build 40.6 We have run out of valid IP addresses so wanted to...
a poolseemcallusingirules
https://community.f5.com/discussions/technicalforum/saml-slo-request-ignored-on-irules/70209
SAML SLO request ignored on iRules | DevCentral
Hello all, the F5 still doesn't pass the relay state on single logout (see https://devcentral.f5.com/questions/saml-logout-relaystate), I've tried to go...
samlslorequestignoredirules
https://community.f5.com/discussions/technicalforum/persistence-and-irules/118404
Persistence and irules | DevCentral
I have written a working irule to send incoming http traffic based on the url to three different pools. Everyone coming in using...
persistenceirulesdevcentral
https://community.f5.com/discussions/technicalforum/irules-http-response-based-on-pool/218621/replies/218622
iRules HTTP_RESPONSE based on Pool? | DevCentral
Is there a way to do switch or if statements based on the pool the response came from? For example: I'm dividing up traffic into two pools based on the...
http responseirulesbasedpooldevcentral
https://community.f5.com/discussions/technicalforum/irules-http-resquest-sent-and-http-response-sent/180147
iRules HTTP_RESQUEST_SENT and HTTP_RESPONSE_SENT | DevCentral
I am writing some iRules code to log the actual volume and time used in each HTTP request and response. And as I have added more code into HTTP_REQUESET or...
iruleshttpsentresponsedevcentral
https://community.f5.com/discussions/technicalforum/irules-disable-cmp-for-virtual/100506
iRules Disable CMP for Virtual | DevCentral
I know IRules and CMP compatibility is a well-documented subject, but even after a lot of reading and input from tech support, I'm stuck on a couple of...
irulesdisablecmpvirtualdevcentral
https://community.f5.com/discussions/technicalforum/block-url-directoy-with-irules/205914/replies/205917
Block URL directoy with irules | DevCentral
Is it possible to block https://example.com/gateway but allow https with irules?
blockurlirulesdevcentral
https://community.f5.com/kb/technicalarticles/hosting-sorry-error-or-maintenance-pages-on-big-ip-ltm-with-irules/286119/comments/286120
Hosting Sorry, Error, or Maintenance Pages on BIG-IP LTM with iRules | DevCentral
Jun 14, 2011 - Note Whereas you can still customize your BIG-IP with perl-scripts and sorry pages in this way, F5 has made this far easier with iFiles, introduced in 11.1....
https://www.f5.com/ja_jp/company/blog/evolution-irules-big-ip-next
The Evolution of iRules in BIG-IP Next | F5
iRules gives users the tools to create custom definitions of how BIG-IP processes traffic so they can tailor network traffic flows to meet specific business...
the evolutionbig ipirulesnext
https://community.f5.com/discussions/technicalforum/virtual-server-not-getting-hits-irules-not-processed-/19101/replies/19106
Virtual server not getting hits, irules not processed. | DevCentral
Hi I have the following virtual servers: VIRTUAL ip:port |---In----Out---Conn-|---In----Out---Conn-|-Nodes...
virtual servergettinghitsirulesprocessed
https://community.f5.com/discussions/technicalforum/how-to-logging-snat-pool-translation-list-with-irules/125022/replies/125025
How to logging SNAT Pool translation list with irules? | DevCentral
We dooes configurae Link Controller Loadbelance outbound traffic to Internet with SNAT Pool public IP. We need to logging translation list ...
how tologgingsnatpooltranslation
https://community.f5.com/kb/TechnicalArticles/getting-started-with-irules-directing-traffic/290402?actionFeedback=redirectToRelatedPageForBaseUsers&ts=1778863739960
Getting Started with iRules: Directing Traffic | DevCentral
Oct 2, 2023 - The intent of this getting started series was to be a journey through the basics of both iRules and programming concepts alike, bringing everyone up to speed...
getting started withirulesdirectingtrafficdevcentral
https://community.f5.com/discussions/technicalforum/irules-executing-on-virtual-servers-theyre-not-applied-to/186467/replies/186468
iRules executing on Virtual Servers they're not applied to? | DevCentral
BIG-IP 10.2.0 Build 1755.1 Hotfix HF1 I've got a few iRules that I use for various things. Mostly, I created 2 or 3 iRules for setting up a...
virtual serversirulesexecuting
https://community.f5.com/discussions/technicalforum/any-irules-command-control-vs-addressport-translation/30185
Any iRules command control VS address/port translation | DevCentral
As subject, Any iRules command control VS address/port translation disable/enable ? I didn't find any command in this portal. Billy
command controlirulesvsaddressport
https://community.f5.com/discussions/technicalforum/irules-or-monitors/251840
irules or monitors | DevCentral
Hi All, we've got a Virtual Server (tcp port 16000), a pool with 2 members, same tcp port. The applicative will be running only in one of the members at...
irulesmonitorsdevcentral
https://community.f5.com/discussions/technicalforum/is-there-an-irules-to-control-active-connections/195139/replies/195140
Is there an IRules to control active connections? | DevCentral
Dear all, I am very new to F5 and would really appreciate if any of the members here could help me. Is there an IRules which allow F5 to control the...
active connectionsirulescontroldevcentral
https://community.f5.com/discussions/devcentralconnectsforum-board/coding-live-policies--irules---dec-8-2022/305681/replies/306097
Coding Live: Policies & iRules - Dec 8, 2022 | DevCentral
Policies and iRules. iRules and policies. Usage can be either/or OR both/and, but where do you draw the lines of operational control? Join Jason at 10:45...
codinglivepoliciesirulesdec
https://community.f5.com/kb/technicalarticles/advanced-irules-smtp-start-tls/287499
Advanced iRules: SMTP Start TLS | DevCentral
Oct 2, 2023 - F5er and DevCentral member natty76 wrote a few iRules a while back on interactive TLS session starting on the SMTP, IMAP, and POP3 protocols. A lot of the...
advancedirulessmtpstarttls
https://community.f5.com/discussions/technicalforum/newbe-to-irules-and-i-need-help-urgently/19354
Newbe to Irules and I need Help Urgently | DevCentral
Hi there Folks. I am new to F5 and this is the First IRule that I am trying to get operating and as usual it needed in a rush. We...
i need help urgentlyirulesdevcentral
https://community.f5.com/kb/technicalarticles/routing-options-by-hostname-with-irules-nginx-and-distributed-cloud/340667
Routing options by hostname with iRules, NGINX, and Distributed Cloud | DevCentral
Apr 4, 2025 - Someone is working on a Distributed Cloud configuration and had the following question: I have defined multiple hostnames on a single XC HTTP...
routing optionsdistributed cloudhostname
https://community.f5.com/kb/technicalarticles/creating-irules-lx-via-icontrol-rest/287579
Creating iRules LX via iControl REST | DevCentral
Jan 18, 2019 - Introduction iRules LX is a BIG-IP programmability feature introduced in 12.1.0 [1, 2]. It allows you to extend the BIG-IP functionalities by attaching...
creatingiruleslxviaicontrol
https://community.f5.com/discussions/technicalforum/extended-logging-to-splunk-servers-beyond-syslog--analytic-profiles--irules-/214192/replies/214193
Extended logging to Splunk servers beyond Syslog & Analytic Profiles & iRules. | DevCentral
What has been configured to date. All syslog traffic is being sent to Splunk destination hosts. The Splunk hosts are external and have to transverse the...
extendedloggingsplunkservers
https://community.f5.com/discussions/technicalforum/novice-question---irules/320350/replies/320352
Novice Question - irules | DevCentral
This is a quick novice question--does the F5 platform come with irule capability by default? Or does it need to be added, licensed or otherwise enabled first?
novicequestionirulesdevcentral
https://community.f5.com/kb/technicalarticles/irules-commands-updates/279047
iRules Commands Updates | DevCentral
Nov 1, 2018 - Late last week, I updated the iRules wiki with all the commands and events introduced in version 14.0. In the process, I noticed there were several commands...
irulescommandsupdatesdevcentral
https://community.f5.com/tag/irules?nodeId=board%3ATechnicalForum
Tag:"irules" in "Technical Forum" | DevCentral
Find all posts, articles, and events tagged with "irules" within Technical Forum in DevCentral. Stay informed with the latest updates from our community
technical forumtagirulesdevcentral
https://community.f5.com/discussions/technicalforum/which-irules-are-compatible-with-which-virtual-server-types/146961
Which IRules are compatible with which Virtual Server types? | DevCentral
I'm evaluating a pair of 6800s by pushing live traffic through them, and we're seeing pretty high CPU utilization. I have 2 small iRules which I may/may not...
compatible withvirtual serverirulestypesdevcentral
https://community.f5.com/discussions/technicalforum/extended-logging-to-splunk-servers-beyond-syslog--analytic-profiles--irules-/214192/replies/214196
Extended logging to Splunk servers beyond Syslog & Analytic Profiles & iRules. | DevCentral
What has been configured to date. All syslog traffic is being sent to Splunk destination hosts. The Splunk hosts are external and have to transverse the...
extendedloggingsplunkservers
https://community.f5.com/discussions/technicalforum/redirecting-traffic-using-irules/141166
Redirecting Traffic Using iRules | DevCentral
redirectingtrafficusingirulesdevcentral
https://community.f5.com/tag/irules%20challenge?nodeId=board%3ATechnicalArticles
Tag:"irules challenge" in "Technical Articles" | DevCentral
Find all posts, articles, and events tagged with "irules challenge" within Technical Articles in DevCentral. Stay informed with the latest updates from our...
technical articlestagiruleschallengedevcentral
https://community.f5.com/discussions/technicalforum/universal-persistence-irules--persist-uie-command/231598/replies/231599
universal persistence, irules & persist uie command | DevCentral
I am still a bit confused on using universal persistence and the persist command. The big question is :"Can the command persist [add] uie be used in a...
universalpersistenceirulesuiecommand
https://community.f5.com/discussions/technicalforum/performance-question-on-2-irules/220718/replies/220719
Performance question on 2 iRules | DevCentral
Hi all, I have 2 different iRules I am using and they both do the same thing so that I can conserve IP addresses. I was wondering if there was...
performancequestionirulesdevcentral
https://community.f5.com/discussions/technicalforum/migrate-from-4-x-to-9-x-irules/17585
migrate from 4.X to 9.X iRules | DevCentral
Anybody can refer me to a document (if exists) what is best way to migrate iRules from 4.5 to 9.X? Are there any recommendations? Here is example...
migrate fromxirulesdevcentral
https://community.f5.com/discussions/technicalforum/gtm-rtt-table-via-irules/251226
GTM RTT table via iRules | DevCentral
Is it possible to do lookups via iRules in GTM to check the RTT table?
gtmrtttableviairules
https://community.f5.com/discussions/technicalforum/icontrol--irules-or-health-monitors/217983/replies/217984
iControl / iRules or Health Monitors? | DevCentral
Hello again! Since posting the last question about the iControl rules of engagement, I've been looking at our existing solution (very backend...
health monitorsicontrolirulesdevcentral
https://community.f5.com/discussions/technicalforum/new-to-irules/170510
New to iRules | DevCentral
Dear all, I don't have much experience on iRules, and would like to if iRules can do the followings: My client is running native...
new toirulesdevcentral
https://community.f5.com/discussions/technicalforum/is-there-a-way-to-auto-update-crl-using-irules/83678?topicRepliesSort=postTimeDesc&autoScroll=true
Is there a way to auto-update CRL using iRules? | DevCentral
Hi, is there a way to update CRL automatically? We do this using bash scripts, is there a official or different way to do it like for example,...
a wayauto update
https://community.f5.com/discussions/technicalforum/how-to-loadblance-oracle-db-by-use-irules-to-differentiate-read-and-write-reques/74306
How to loadblance Oracle DB by use irules to differentiate read and write request? | DevCentral
I want to use irules to differentiate oracle read and write request. Who can tell me how to do it? rule: If request include...
https://community.f5.com/kb/technicalarticles/getting-started-with-irules-variables/290428
Getting Started with iRules: Variables | DevCentral
Oct 2, 2023 - If you've been following along in this series, it's time to add another building block to the framework of what iRules are and can do. If you're new, it...
getting started withirulesvariablesdevcentral
https://community.f5.com/kb/TechnicalArticles/getting-started-with-irules-events--priorities/290543?actionFeedback=redirectToRelatedPageForBaseUsers&ts=1778864202641
Getting Started with iRules: Events & Priorities | DevCentral
Oct 2, 2023 - As this series steams on we go deeper and deeper into what actually drives iRules as a technology. So far we have covered very basic concepts, from core...
getting started withiruleseventsprioritiesdevcentral
https://community.f5.com/discussions/technicalforum/pointer-arrays-in-irules/140794
Pointer Arrays in iRules | DevCentral
Hi, I was going to write an iRule which requires multiple string comparison. String comparison are no doubt computationally expensive. In C/C++ we used...
pointerarraysirulesdevcentral
https://community.f5.com/kb/technicalarticles/managing-model-context-protocol-in-irules---part-2/344421
Managing Model Context Protocol in iRules - Part 2 | DevCentral
Nov 18, 2025 - In the first article in this series, we took a look at what Model Context Protocol (MCP) is, and how to get the F5 BIG-IP set up to manage it with iRules. In...
model context protocolmanagingirulespartdevcentral
https://community.f5.com/discussions/devcentralconnectsforum-board/coding-live-policies--irules---dec-8-2022/305681/replies/306043
Coding Live: Policies & iRules - Dec 8, 2022 | DevCentral
Policies and iRules. iRules and policies. Usage can be either/or OR both/and, but where do you draw the lines of operational control? Join Jason at 10:45...
codinglivepoliciesirulesdec
https://community.f5.com/kb/technicalarticles/irules-pointer-tables-demystified/275899
iRules Pointer Tables Demystified | DevCentral
Sep 13, 2010 - Last week I talked about Heatmaps and some of the really fun things you can do with them via iRules. In that article I covered the concept of pointer...
irulespointertablesdemystifieddevcentral
https://community.f5.com/discussions/technicalforum/irules-for-302-redirect/61888
irules for 302 redirect | DevCentral
Hi: I need a irules , when browser input "; F5 redirect ";. If you can give a irules ,no matter what character the browser enters , F5 redirect...
irulesredirectdevcentral
https://community.f5.com/discussions/technicalforum/irules---matching-multiple-entries-and-making-decision-fifo-basis/144242/replies/144244
iRules - Matching multiple entries and making decision FIFO basis | DevCentral
Need your advise regarding an iRule modification I am looking into. The present iRule logic in place checks for "AMR-WB" in the SIP payload and directs to...
multiple entriesirulesmatchingmakingdecision
https://community.f5.com/discussions/technicalforum/irules-restrict-access-to-an-uri-for-only-several-ips/207821
Irules restrict access to an URI for only several IPs | DevCentral
Hello, Could you help me with this irule and data-group (LTM : 10.2.3) ? I want to restrict access to an URI (containing "TEST") for only few IPs. But it...
restrict accessirules
https://community.f5.com/discussions/technicalforum/adding-persistance-profiles-to-pools-using-irules/114019/replies/114020
Adding persistance profiles to pools using Irules | DevCentral
I have 2 persistance profiles that I need to apply to individual pools namely jupiter_60mins and earth_30mins. Since I cannot apply the...
addingpersistanceprofilespoolsusing
https://community.f5.com/kb/contest-entries/irules-contest-entry-example/346192
iRules Contest Entry Example | DevCentral
Apr 20, 2026 - Problem Clearly state the problem you are trying to solve and why iRules are used as a solution. Provide as much context as you want to make sure the problem...
contest entryirulesexampledevcentral
https://community.f5.com/kb/TechnicalArticles/advanced-irules-regular-expressions/290227?actionFeedback=redirectToRelatedPageForBaseUsers&ts=1778865884137
Advanced iRules: Regular Expressions | DevCentral
Oct 2, 2023 - A regular expression or regex for short is essentially a string that is used to describe or match a set of strings, according to certain syntax...
regular expressionsadvancedirulesdevcentral
https://community.f5.com/discussions/technicalforum/using-irules-to-optimize-oracle-sql/19993/replies/19994
Using iRules to optimize Oracle SQL | DevCentral
We are thinking of using the LTM to front-end traffic to an Oracle RAC cluster. Can you describe "best practice" approaches to exploiting iRules to improve...
oracle sqlusingirulesoptimizedevcentral
https://community.f5.com/discussions/technicalforum/irules-operator-starts-with-case-sensitivity/41543
iRules operator starts_with case sensitivity? | DevCentral
I think the subject says it all. Is the starts_with operator case aware? Is there an easy way to just lower case the whole...
case sensitivityirulesoperatorstartsdevcentral
https://community.f5.com/discussions/technicalforum/writing-rest-geoip-service-in-irules/225322
writing REST geoip service in iRules | DevCentral
Howdy, From being told to install a Quova GeoDirectory cluster the other day, frontend by my LTM's I quickly found that I could possibly just use...
writingrestgeoipserviceirules
https://community.f5.com/discussions/technicalforum/import-old-irules-to-ltm-v10-2/123106
Import Old iRules to LTM v10.2 | DevCentral
Hi All, Need your technical assistance to import the following irule to my LTM v10.2. Tried to import but keep prompting out...
importoldirulesltmdevcentral
https://community.f5.com/discussions/technicalforum/i-have-a-irules-question/154739
i have a irules question | DevCentral
hi guys: I have a irules need:1.i have three pools;2.When the current total number of connections in pool1 is greater than 2000, the new connection is then...
i haveirulesquestiondevcentral
https://community.f5.com/kb/technicalarticles/ftps-offload-via-irules/275790/comments/275802
FTPS Offload via iRules | DevCentral
Mar 4, 2009 - Question: Does BIG-IP LTM support FTPS? Answer: You might think to yourself "LTM can load balance any IP traffic, so sure!". But if you know FTPS, you know...
ftpsoffloadviairulesdevcentral
https://community.f5.com/discussions/technicalforum/icontrols--irules-monitor-nodes/180272
iControls / iRules Monitor Nodes | DevCentral
We currently have 780 web sites residing on 5 web servers. We are looking for a solution to monitoring the nodes with out having each node do an individual...
irulesmonitornodesdevcentral
https://www.f5.com/company/blog/f5-ai-assistant-now-delivers-irules-code-generation
F5 AI Assistant Expands with iRules Code Generation for BIG-IP Programmability | F5
F5 brings together our AI assistants across the F5 Application Delivery and Security Platform and introduces iRules code generation for BIG-IP. Read to see how...
ai assistant
https://community.f5.com/kb/technicalarticles/irules-concepts-considering-context-part-2/275973
iRules Concepts: Considering Context part 2 | DevCentral
Jul 6, 2011 - In part 1 of this brief series we talked about what context means while coding, how it affects our perception of things and the different contexts within...
irulesconceptsconsideringcontextpart
https://community.f5.com/discussions/technicalforum/irules-appending-after-url/252376/replies/252381
iRules appending after url | DevCentral
Hello F5 !!!I am newbie in the world of load balancing, apologies if I am posting a silly question. Recently I have published a https website, created a...
irulesappendingurldevcentral