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chore(pmtud/tcp): restrict temp firewall rules to source ip and source port

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This commit is contained in:
Quentin McGaw
2026-02-18 22:26:57 +00:00
parent 1c56189abc
commit bc79901f1e
9 changed files with 274 additions and 145 deletions
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internal/pmtud/pmtud.go
+1 -1
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@@ -70,7 +70,7 @@ func PathMTUDiscover(ctx context.Context, icmpAddrs []netip.Addr, tcpAddrs []net
const mtuMargin = 150
minMTU = max(maxPossibleMTU-mtuMargin, minMTU)
}
mtu, err = tcp.PathMTUDiscover(ctx, addrPort, minMTU, maxPossibleMTU, fw, logger)
mtu, err = tcp.PathMTUDiscover(ctx, addrPort, minMTU, maxPossibleMTU, tryTimeout, fw, logger)
if err != nil {
if errors.Is(err, firewall.ErrMarkMatchModuleMissing) {
logger.Debugf("aborting TCP path MTU discovery: %s", err)