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
2023-09-25 16:42:07 -04:00
..
art net/art: allow non-pointers as values 2023-08-17 10:43:18 -07:00
connstats net/connstats: exclude traffic with internal Tailscale service (#7904) 2023-04-17 14:24:29 -07:00
dns net/dns: retry forwarder requests over TCP 2023-09-25 16:42:07 -04:00
dnscache tstest: prepare for Clock API changes 2023-07-06 17:03:19 -04:00
dnsfallback all: use Go 1.21 slices, maps instead of x/exp/{slices,maps} 2023-08-17 08:42:35 -07:00
flowtrack all: update copyright and license headers 2023-01-27 15:36:29 -08:00
interfaces net/tsdial: be smarter about when to close SystemDial conns 2023-09-01 09:33:55 -07:00
memnet net/memnet: export the network name (#9111) 2023-08-28 11:43:51 -07:00
netaddr all: update copyright and license headers 2023-01-27 15:36:29 -08:00
netcheck net/netcheck,wgengine/magicsock: reduce coupling between netcheck and magicsock 2023-08-11 10:08:21 -07:00
neterror net/neterror, wgengine/magicsock: use UDP GSO and GRO on Linux (#7791) 2023-04-04 16:32:16 -07:00
netknob all: update copyright and license headers 2023-01-27 15:36:29 -08:00
netmon net/netmon: log when the gateway/self IP changes 2023-09-12 17:48:29 -04:00
netns net/{interfaces,netmon}: remove "interesting", EqualFiltered API 2023-08-29 11:57:30 -07:00
netstat net/{netns,netstat}: use new x/sys/cpu.IsBigEndian 2023-02-02 07:41:49 -08:00
netutil cmd/tailscale: refactor shared utility methods 2023-08-09 08:59:10 -07:00
packet net/packet: add NAT support for DCCP and GRE 2023-04-24 15:30:50 -07:00
ping net/ping: fix ICMP echo code field to 0 2023-09-15 17:08:39 -07:00
portmapper net/portmapper: add clientmetric for UPnP error codes 2023-09-18 18:47:24 -04:00
proxymux all: update copyright and license headers 2023-01-27 15:36:29 -08:00
routetable net/routetable: include unknown flags in the routetable doctor output 2023-02-10 15:54:31 -08:00
socks5 net/socks5: add password auth support 2023-03-05 14:08:34 -08:00
sockstats net/dns: retry forwarder requests over TCP 2023-09-25 16:42:07 -04:00
speedtest all: update copyright and license headers 2023-01-27 15:36:29 -08:00
stun wgengine/magicsock, types/nettype, etc: finish ReadFromUDPAddrPort netip migration 2023-04-15 13:40:15 -07:00
tcpinfo net/tcpinfo: add package to allow fetching TCP information 2023-06-27 21:59:43 -04:00
tlsdial cmd/tailscale/cli: make netcheck run even if machine lacks TLS certs 2023-08-23 21:11:04 -07:00
tsaddr types/netmap: remove NetworkMap.{Addresses,MachineStatus} 2023-09-18 17:08:11 +01:00
tsdial types/netmap: remove NetworkMap.{Addresses,MachineStatus} 2023-09-18 17:08:11 +01:00
tshttpproxy net/tshttpproxy: don't proxy through ourselves 2023-03-29 17:09:45 -04:00
tstun net/tstun: use untyped consts, simplify DefaultMTU func 2023-09-23 12:20:19 -07:00
wsconn net/wsconn: accept a remote addr string and plumb it through 2023-08-29 16:57:16 -07:00