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tailscale/net
Andrew Dunham 530aaa52f1 net/dns: retry forwarder requests over TCP
We weren't correctly retrying truncated requests to an upstream DNS
server with TCP. Instead, we'd return a truncated request to the user,
even if the user was querying us over TCP and thus able to handle a
large response.

Also, add an envknob and controlknob to allow users/us to disable this
behaviour if it turns out to be buggy ( DNS ).

Updates #9264

Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
Change-Id: Ifb04b563839a9614c0ba03e9c564e8924c1a2bfd
9 months ago
..
art net/art: allow non-pointers as values 10 months ago
connstats net/connstats: exclude traffic with internal Tailscale service (#7904) 1 year ago
dns net/dns: retry forwarder requests over TCP 9 months ago
dnscache tstest: prepare for Clock API changes 11 months ago
dnsfallback all: use Go 1.21 slices, maps instead of x/exp/{slices,maps} 10 months ago
flowtrack all: update copyright and license headers 1 year ago
interfaces net/tsdial: be smarter about when to close SystemDial conns 9 months ago
memnet net/memnet: export the network name (#9111) 9 months ago
netaddr all: update copyright and license headers 1 year ago
netcheck net/netcheck,wgengine/magicsock: reduce coupling between netcheck and magicsock 10 months ago
neterror net/neterror, wgengine/magicsock: use UDP GSO and GRO on Linux (#7791) 1 year ago
netknob all: update copyright and license headers 1 year ago
netmon net/netmon: log when the gateway/self IP changes 9 months ago
netns net/{interfaces,netmon}: remove "interesting", EqualFiltered API 9 months ago
netstat net/{netns,netstat}: use new x/sys/cpu.IsBigEndian 1 year ago
netutil cmd/tailscale: refactor shared utility methods 10 months ago
packet net/packet: add NAT support for DCCP and GRE 1 year ago
ping net/ping: fix ICMP echo code field to 0 9 months ago
portmapper net/portmapper: add clientmetric for UPnP error codes 9 months ago
proxymux all: update copyright and license headers 1 year ago
routetable net/routetable: include unknown flags in the routetable doctor output 1 year ago
socks5 net/socks5: add password auth support 1 year ago
sockstats net/dns: retry forwarder requests over TCP 9 months ago
speedtest all: update copyright and license headers 1 year ago
stun wgengine/magicsock, types/nettype, etc: finish ReadFromUDPAddrPort netip migration 1 year ago
tcpinfo net/tcpinfo: add package to allow fetching TCP information 12 months ago
tlsdial cmd/tailscale/cli: make netcheck run even if machine lacks TLS certs 10 months ago
tsaddr types/netmap: remove NetworkMap.{Addresses,MachineStatus} 9 months ago
tsdial types/netmap: remove NetworkMap.{Addresses,MachineStatus} 9 months ago
tshttpproxy net/tshttpproxy: don't proxy through ourselves 1 year ago
tstun net/tstun: use untyped consts, simplify DefaultMTU func 9 months ago
wsconn net/wsconn: accept a remote addr string and plumb it through 9 months ago