104: Connection reset by peer

[inkognito0609]

Странно, потому что tcpdump показывает что RST отправляет именно балансер
---
11:02:29.208274 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [S], seq
1825789029, win 29200, options [mss 1460,sackOK,TS val 4257877938 ecr
0,nop,wscale 9], length 0
11:02:29.208683 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [S.], seq
2625988586, ack 1825789030, win 27960, options [mss 1410,sackOK,TS val
1022466629 ecr 4257877938,nop,wscale 9], length 0
11:02:29.208696 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 1, win
58, options [nop,nop,TS val 4257877939 ecr 1022466629], length 0
11:02:29.208713 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [P.], seq 1:50,
ack 1, win 58, options [nop,nop,TS val 4257877939 ecr 1022466629], length
49
11:02:29.208904 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [P.], seq
50:309, ack 1, win 58, options [nop,nop,TS val 4257877939 ecr 1022466629],
length 259
11:02:29.209045 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], ack 50,
win 55, options [nop,nop,TS val 1022466630 ecr 4257877939], length 0
11:02:29.209183 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], ack 309,
win 57, options [nop,nop,TS val 1022466630 ecr 4257877939], length 0
11:02:29.209639 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
1:2797, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr 4257877939],
length 2796
11:02:29.209642 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 2797,
win 68, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.209720 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
2797:6991, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877939], length 4194
11:02:29.209731 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 6991,
win 85, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.209817 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
6991:11185, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877939], length 4194
11:02:29.209822 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 11185,
win 101, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.209915 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
11185:12583, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877939], length 1398
11:02:29.209920 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 12583,
win 107, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.209967 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
12583:13981, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877939], length 1398
11:02:29.209973 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 13981,
win 112, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.210103 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
13981:20971, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877940], length 6990
11:02:29.210110 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 20971,
win 140, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.210147 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
20971:25165, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877940], length 4194
11:02:29.210153 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 25165,
win 156, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.210184 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [P.], seq
25165:27961, ack 309, win 57, options [nop,nop,TS val 1022466630 ecr
4257877940], length 2796
11:02:29.210189 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 27961,
win 167, options [nop,nop,TS val 4257877940 ecr 1022466630], length 0
11:02:29.210211 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
27961:36349, ack 309, win 57, options [nop,nop,TS val 1022466631 ecr
4257877940], length 8388
11:02:29.210216 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 36349,
win 200, options [nop,nop,TS val 4257877940 ecr 1022466631], length 0
11:02:29.210399 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
36349:37747, ack 309, win 57, options [nop,nop,TS val 1022466631 ecr
4257877940], length 1398
11:02:29.210406 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 37747,
win 205, options [nop,nop,TS val 4257877940 ecr 1022466631], length 0
11:02:29.210431 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [.], seq
37747:48931, ack 309, win 57, options [nop,nop,TS val 1022466631 ecr
4257877940], length 11184
11:02:29.210436 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 48931,
win 249, options [nop,nop,TS val 4257877940 ecr 1022466631], length 0
11:02:29.210508 IP 10.121.15.74.31001 > lb1.cc1.46376: Flags [FP.], seq
48931:50629, ack 309, win 57, options [nop,nop,TS val 1022466631 ecr
4257877940], length 1698
11:02:29.210528 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [.], ack 50630,
win 255, options [nop,nop,TS val 4257877940 ecr 1022466631], length 0
11:02:29.215540 IP lb1.cc1.46376 > 10.121.15.74.31001: Flags [R.], seq 309,
ack 50630, win 255, options [nop,nop,TS val 4257877945 ecr 1022466631],
length 0

Posted at Nginx Forum: https://forum.nginx.org/read.php?21,287396,287400#msg-287400