https://gultsch.social/users/daniel/statuses/113974461603989053
Daniel Gultsch: "It’s incredibly sad that we’ve lost the open, fed…" - Mastodon
It’s incredibly sad that we’ve lost the open, federated team chat space to #Matrix—where the only viable server isn’t open source, it’s debatable whether the...
daniel gultschthe openincrediblysadlost
https://gultsch.de/posts/objection/
Daniel Gultsch | An Objection to ‘The ecosystem is moving’
In May 2016 Moxie Marlinspike published an article on his company’s blog entitled ‘Reflections: The ecosystem is moving’ where he claims that federated systems...
daniel gultschobjectionecosystem
https://gultsch.social/users/daniel/statuses/116317248826091864
Daniel Gultsch: "Merles Vortrag "Warum selbst Signal bei Google un…" - Mastodon
Mar 30, 2026 - Merles Vortrag "Warum selbst Signal bei Google und Apple anklopft" ist übrigens eine schöne Ergänzung zu meinem UnifiedPush Vortrag....
daniel gultschvortragwarumselbstsignal
https://gultsch.de/posts/the-state-of-mobile-xmpp-in-2016/
Daniel Gultsch | The State of Mobile XMPP in 2016
XMPP is not suited for mobile devices. That’s a myth that has been around for ages. It is mostly spread by people who want to sell you their own proprietary...
daniel gultschthe statemobilexmpp
https://gultsch.de/posts/dino-multiple-vulnerabilities/
Daniel Gultsch | Multiple Vulnerabilities found in Dino
CVE-2019-16235+: Missing or incorrect sender validations in Dino allow an attacker to spoof messages and inject or remove entries from the user’s roster....
daniel gultschmultiple vulnerabilitiesfounddino
https://gultsch.de/posts/
Daniel Gultsch | Posts
daniel gultschposts
https://gultsch.social/@daniel/113718247840154604
Daniel Gultsch: "⚠️ 🚨 It’s time to stop using Blabber.im 🚨⚠️ The …" - Mastodon
⚠️ 🚨 It’s time to stop using Blabber.im 🚨⚠️ The abandoned fork of #Conversations_im has a critical security issue: attackers can bypass STARTTLS negotiation,...
daniel gultschtime tostop usingblabbermastodon
https://codeberg.org/iNPUTmice/?q=&sort=recentupdate&language=Java&tab=repositories
Daniel Gultsch - Codeberg.org
Codeberg is a non-profit community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.
daniel gultschcodeberg
https://gultsch.de/posts/btbv/
Daniel Gultsch | Blind Trust Before Verification
Establishing trust is always a complicated task but especially difficult in a multi-device environment where every device has its own identity. Concepts like...
daniel gultschblind trustverification
https://gultsch.de/posts/gajim-roster-push_and-message-interception/
Daniel Gultsch | Gajim Roster Push Attack / Message Interception
CVE-2015-8688: Gajim doesn’t verify the origin of roster pushes thus allowing third parties to modify the roster. Alice is using the latest version of Gajim...
roster push attackdaniel gultschgajimmessageinterception
https://gultsch.de/contact/
Daniel Gultsch | Contact
Contact Email: daniel@gultsch.de Jabber/XMPP: daniel@gultsch.de Mastodon: @daniel@gultsch.social Bluesky: @daniel.gultsch.social (bridged from Mastodon)...
daniel gultsch
https://gultsch.de/software/
Daniel Gultsch | Software
Android Apps Conversations - an encrypted, mobile friendly XMPP client for Android Ltt.rs - No-frills, easy to use, easy to maintain Email client for Android...
daniel gultschsoftware
https://gultsch.social/users/daniel
Daniel Gultsch (@daniel@gultsch.social) - Mastodon
daniel gultschsocialmastodon
https://gultsch.de/tags/security/
Daniel Gultsch | Security
daniel gultschsecurity
https://codeberg.org/iNPUTmice/
Daniel Gultsch - Codeberg.org
Codeberg is a non-profit community-led organization that aims to help free and open source projects prosper by giving them a safe and friendly home.
daniel gultschcodeberg
https://gultsch.de/posts/sliding-pane-layout/
Daniel Gultsch | Here lies the Sliding Pane Layout. RIP
A justification for some of the design choices I made; The second part in a series of essays leading up the release of Conversations 2.0 I had been a Jabber...
daniel gultschhere liessliding
https://blabber.rocks/users/TexJoachim/statuses/116278212218337524
Joachim Ziebs: "@daniel@gultsch.social Thank you!" - Blabber.rocks
@daniel@gultsch.social Thank you!
daniel gultschthank youjoachimsocialblabber
https://gultsch.de/
Daniel Gultsch
I’ve been a freelance software developer for over 15 years. My main interests lie in open standards and communication protocols, including instant messaging,...
daniel gultsch