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Andrew Dunham e107977f75 wgengine/magicsock: disable SIO_UDP_NETRESET on Windows ... By default, Windows sets the SIO_UDP_CONNRESET and SIO_UDP_NETRESET options on created UDP sockets. These behaviours make the UDP socket ICMP-aware; when the system gets an ICMP message (e.g. an "ICMP Port Unreachable" message, in the case of SIO_UDP_CONNRESET), it will cause the underlying UDP socket to throw an error. Confusingly, this can occur even on reads, if the same UDP socket is used to write a packet that triggers this response. The Go runtime disabled the SIO_UDP_CONNRESET behavior in 3114bd6, but did not change SIO_UDP_NETRESET–probably because that socket option isn't documented particularly well. Various other networking code seem to disable this behaviour, such as the Godot game engine (godotengine/godot#22332) and the Eclipse TCF agent (link below). Others appear to work around this by ignoring the error returned (anacrolix/dht#16, among others). For now, until it's clear whether this ends up in the upstream Go implementation or not, let's also disable the SIO_UDP_NETRESET in a similar manner to SIO_UDP_CONNRESET. Eclipse TCF agent: https://gitlab.eclipse.org/eclipse/tcf/tcf.agent/-/blob/master/agent/tcf/framework/mdep.c Updates #10976 Updates golang/go#68614 Signed-off-by: Andrew Dunham <andrew@du.nham.ca> Change-Id: I70a2f19855f8dec1bfb82e63f6d14fc4a22ed5c3		1 month ago
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bench	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
capture	wgengine/capture: fix v6 field typo in wireshark dissector	2 months ago
filter	wgengine/filter: support FilterRules matching on srcIP node caps [capver 100]	3 months ago
magicsock	wgengine/magicsock: disable SIO_UDP_NETRESET on Windows	1 month ago
netlog	wgengine: add exit destination logging enable for wgengine logger (#11952)	5 months ago
netstack	wgengine/netstack: disable gVisor TCP GRO for Linux (#13138)	1 month ago
router	wgengine/router: use quad-100 as the nexthop on Windows	2 months ago
wgcfg	ipn,wgengine: remove vestigial Prefs.AllowSingleHosts	4 months ago
wgint	wgengine{,/wgint}: add wgint.Peer wrapper type, add to wgengine.Engine	7 months ago
wglog	all: use Go 1.22 range-over-int	5 months ago
winnet	all: add test for package comments, fix, add comments as needed	2 months ago
mem_ios.go	all: update copyright and license headers	2 years ago
pendopen.go	net/flowtrack: optimize Tuple type for use as map key	3 months ago
userspace.go	util/linuxfw: return nil interface not concrete type	2 months ago
userspace_ext_test.go	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
userspace_test.go	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
watchdog.go	ipn/ipnlocal,net/tstun,wgengine: create and plumb jailed packet filter	5 months ago
watchdog_js.go	all: update copyright and license headers	2 years ago
watchdog_test.go	ipn/ipnlocal, all: plumb health trackers in tests	5 months ago
wgengine.go	all: add test for package comments, fix, add comments as needed	2 months ago