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2,190 Commits 27 Branches 78 Tags
8d8647090506f2520d3f45c6c089957cf053c1e1
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16 Commits

Author SHA1 Message Date
Quentin McGaw 8d86470905 feat(pmtud/tcp): use the TCP server with highest MSS to run MTU tests 2026-02-19 14:03:46 +00:00
Quentin McGaw fb85ae79d1 chore(pmtud/tcp): move test helpers in helpers_test.go 2026-02-19 13:20:59 +00:00
Quentin McGaw 783616f61d chore(pmtud/tcp): close connections with an RST packet on context cancelation 2026-02-19 13:20:59 +00:00
Quentin McGaw bc79901f1e chore(pmtud/tcp): restrict temp firewall rules to source ip and source port 2026-02-19 13:20:58 +00:00
Quentin McGaw 1c56189abc hotfix(pmtud/tcp): fix rare race condition 2026-02-18 19:07:31 +00:00
Quentin McGaw 224618337c hotfix(pmtud/tcp): respect MSS from server into account 2026-02-18 18:32:31 +00:00
Quentin McGaw 183d351b58 chore(pmtud/icmp): do not use net.ErrClosed when inappropriate 2026-02-17 21:46:24 +00:00
Quentin McGaw 04d7cef294 hotfix(pmtud/tcp): block kernel from racing to send RST packets 
- this makes PMTUD TCP reliable
- this only works on kernels with the mark module
- on kernels without the mark module, the icmp pmtud mtu found is used
 2026-02-17 21:46:24 +00:00
Quentin McGaw 5f903d1fbf chore(pmtud): remove calls to syscall in favor of unix and windows 
- syscall is deprecated and is not kept up-to-date
- each OS is inherently different hence the syscall being deprecated
 2026-02-17 21:46:04 +00:00
Quentin McGaw 36dfd5b631 hotfix(pmtud): do not try every address for ICMP PMTUD 2026-02-16 23:54:38 +00:00
Quentin McGaw f81b8342d6 hotfix(pmtud/tcp): temporary test fix 2026-02-16 23:54:38 +00:00
Quentin McGaw cdec25da52 feat(pmtud/tcp): generate MTU test data to mimic TLS if possible to avoid being blocked 2026-02-16 19:57:12 +00:00
Quentin McGaw 201d1041f4 hotfix(pmtud/tcp): send MTU data in first and only ACK packet 
- less likely to be flagged
- correct using TCP fast-open
 2026-02-16 19:56:14 +00:00
Quentin McGaw be92aa2ac4 Path MTU discovery fixes and improvements (#3109) 
- Existing option `WIREGUARD_MTU` , if set, disables PMTUD and is used
- New option `PMTUD_ICMP_ADDRESSES=1.1.1.1,8.8.8.8` and `PMTUD_TCP_ADDRESSES=1.1.1.1:443,8.8.8.8:443`
- ICMP PMTUD now targets external-by-default IP addresses
- New TCP PMTUD (binary search only) as a second MTU confirmation and fallback mechanism.
- Force set TCP MSS to MTU - IP header - TCP base header - "magic 20 bytes" 🎆
- Fix #3108
 2026-02-14 19:40:34 -05:00
Quentin McGaw fe3d4a94d4 chore(all): make code compilable for other platforms than Linux 2026-01-24 17:56:10 +00:00
Quentin McGaw de38d759a4 feat(vpn): path MTU discovery to find the best MTU (#2586) 2026-01-21 09:02:23 -08:00