@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · 1d ago

Discussing some particle physics with a friend: You know, particle physics feels like an exasperated GM that is completely fed up with the players trying to dig more lore out of them. - What are things made out of? - Small particles that vibrate - Okay, what are those particles made of? - Uh... even smaller particles and tiny specks of electricity that orbit them. - Okay, what are those made up of? - You know what? Even tinier particles that go speeeen! - Okay, why do they spin? - I won't tell you, and if you try to observe them, they behave differently. Can we PLEASE just continue with the story?

View on equestria.social

0

1

0

Thread context 3 posts in path

Root @tc2142@equestria.social Open

on equestria.social

Open ancestor post

Parent @tc2142@equestria.social Open

@tc2142@equestria.social

Oh for fuck's sake, not again!

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 28, 2026

@tc2142@equestria.social *angery noises*

View full thread on equestria.social

0

Thread context 2 posts in path

Parent @Karcsesz@equestria.social Open

on equestria.social

Open ancestor post

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 26, 2026

Gonna work around it using https://code.vexcited.com/nodes/seed.vexcited.com/rad:z3R6nHv6KaM8MpVuXPwbttyCcc4Zo

View full thread on equestria.social

0

Thread context 2 posts in path

Parent @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

Today on "How is this the state of the art!?": ssh-agent I just learned that you may get locked out of your server due to too many authentication requests because the ssh-agent protocol has zero provi

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 26, 2026

Found this extension that seems to be aimed at solving this issue https://www.openssh.org/agent-restrict.html

View full thread on equestria.social

0

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 26, 2026

Today on "How is this the state of the art!?": ssh-agent I just learned that you may get locked out of your server due to too many authentication requests because the ssh-agent protocol has zero provisions for prefiltering keys and just blindly tries everything in your database until one of them goes through. Is there a security reason why ssh can't send the host's hash to the agent to tell it what server it should return the key for? #sshAgent #ssh

View on equestria.social

0

1

0

Thread context 2 posts in path

Parent @Kenhoro@equestria.social Open

on equestria.social

Open ancestor post

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 05, 2026

@Kenhoro@equestria.social Dawwwwwww ^^

View full thread on equestria.social

0

Thread context 3 posts in path

Root @TechSupport@equestria.social Open

on equestria.social

Open ancestor post

Parent @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social or a 4k disk read rather, had page sizes on the brain lol

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 03, 2026

@TechSupport@equestria.social Could beeeeee, yeah. Gonna see tomorrow if I can figure out why the MSS values change depending on the target host. Thanks a lot for the assistance, couldn't have done this without you ^^

View full thread on equestria.social

0

Thread context 4 posts in path

Root @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social I'm gonna buy you whatever drink you would like if we ever meet. The first packet that doesn't return is supposed to be ~4200 bytes large! It does seem to be a fragmentat

Ancestor 2 @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social Adding a mangle rule that clamps MSS seems to have fixed it. For some reason linux sends higher than advisable MSS to some hosts and I guess pmtud is getting swallowed fr

Parent @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social trying to wrap my head around the why's of what's going on, is your linux host adapters mtu > 1500bytes? I am also out of my scope here, I can vaguely see the shape of the p

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 03, 2026

@TechSupport@equestria.social MTU on all machines is set to 1500 (at least according to `ip a`), the bridge interface at the router is also set to 1500, and the PPPoE tunnel that it routes to has an MTU of 1492.

View full thread on equestria.social

0

1

0

Thread context 4 posts in path

Root @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social and sending packets with do not fragment... for reasons

Ancestor 2 @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social Gonna try something I should've done a long time ago. Compare the packets from my network with packets from a VPS that can successfully connect through

Parent @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social I'm gonna buy you whatever drink you would like if we ever meet. The first packet that doesn't return is supposed to be ~4200 bytes large! It does seem to be a fragmentat

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 03, 2026

@TechSupport@equestria.social Adding a mangle rule that clamps MSS seems to have fixed it. For some reason linux sends higher than advisable MSS to some hosts and I guess pmtud is getting swallowed from that subnet so it can't correct itself? This is all still very fresh knowledge to me so correct me if I'm being a dumbass xP

View full thread on equestria.social

0

2

0

Thread context 4 posts in path

Root @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social I'm not really sure either, unless it happens elsewhere but elegantly falls back (via fragmentation or ptmud) to smaller mtu, but that specific network is blackholing pmtud?

Ancestor 2 @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social and sending packets with do not fragment... for reasons

Parent @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social Gonna try something I should've done a long time ago. Compare the packets from my network with packets from a VPS that can successfully connect through

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 02, 2026

@TechSupport@equestria.social I'm gonna buy you whatever drink you would like if we ever meet. The first packet that doesn't return is supposed to be ~4200 bytes large! It does seem to be a fragmentation issue. And it's possible that Azure's load balancer or proxy or something really likes to send large packets that break the connection, which would explain the subnet specificity.

View full thread on equestria.social

0

3

0

Thread context 4 posts in path

Root @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

@TechSupport@equestria.social That is a really really good idea! I should look into it. Though I'm not sure if it explains why this only happens when talking to a specific subnet.

Ancestor 2 @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social I'm not really sure either, unless it happens elsewhere but elegantly falls back (via fragmentation or ptmud) to smaller mtu, but that specific network is blackholing pmtud?

Parent @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social and sending packets with do not fragment... for reasons

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 02, 2026

@TechSupport@equestria.social Gonna try something I should've done a long time ago. Compare the packets from my network with packets from a VPS that can successfully connect through

View full thread on equestria.social

0

4

0

Thread context 3 posts in path

Root @Karcsesz@equestria.social Open

@Karcsesz@equestria.social

Been troubleshooting the weirdest connectivity issue at home. My current setup is a GPON router provided by my ISP with PPPoE Passthrough enabled. Then I have a Mikrotik router plugged into that which

Parent @TechSupport@equestria.social Open

@TechSupport@equestria.social

@Karcsesz@equestria.social not related to packet fragmentation? Or, Does the gpon adapter and your isp happen to do baby jumbo frames (to allow for full 1500 byte packets inside the pppoe encapsulatio

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 02, 2026

@TechSupport@equestria.social That is a really really good idea! I should look into it. Though I'm not sure if it explains why this only happens when talking to a specific subnet.

View full thread on equestria.social

0

7

0

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 02, 2026

Been troubleshooting the weirdest connectivity issue at home. My current setup is a GPON router provided by my ISP with PPPoE Passthrough enabled. Then I have a Mikrotik router plugged into that which connects to PPPoE and receives an IPv6 prefix to spread via SLAAC. It all works perfectly fine... Except when I try to connect to a specific Microsoft-controlled subnet (2620:1ec::/36) via HTTPS a few packets go missing on the way to me that causes the connection to hang and eventually time out. I've sniffed the connection at every part of the chain I could. On the router itself, by inserting a switch with traffic mirroring enabled between the Mikrotik and ISP router, and it seems that some packets just don't arrive. It seems to specifically be https that is affected, and only when connecting to that specific subnet. And for extra fun, if I just plug into the ISP router (which has a separate prefix delegated because I can't switch it to plain bridge mode) everything works fine.

View on equestria.social

0

9

0

Thread context 2 posts in path

Parent @jakobpunkt@mastodon.social Open

on mastodon.social

Open ancestor post

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Feb 02, 2026

@jakobpunkt@mastodon.social After many videos talking about a way to make ice, this one explains how to abolish it c: @TechConnectify@mas.to

View full thread on equestria.social

0

Thread context 2 posts in path

Parent @jbcrawford@hachyderm.io Open

on hachyderm.io

Open ancestor post

Current reply

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

Karcsesz

@Karcsesz@equestria.social

Hungarian horse with a thing for open source he/him/bi/taken Rustacean in training Occasional DJ [kɒrˈt͡ʃɛs], but just call me Kar ^_^ Profile picture by @ Kenhoro Banner by DoughNut Wubbs

equestria.social

@Karcsesz@equestria.social · Jan 31, 2026

@jbcrawford@hachyderm.io This is a proper puzzle! I think it's supposed to say - Clean lint filter in the machine - Put your clothes in, close the door - Press one of the buttons marked in white to select your program (there are two models of washers, one is missing the top right button) - No need to pay / Insert coins / insert banknotes / pay via paypass - Press the bottom right button to start (again, the machine might be missing the top right button) Though I don't take responsibility for any fires caused, limbs lost, or monetary damage incurred for following this interpretation, and I hope the designer had a similar disclaimer written into their contract. :3

View full thread on equestria.social

0

Karcsesz

Posts