我正在读取2000年的TCP服务器,看起来该服务器返回了有效的答案(数据长度= 0),但是在read命令(在python中)仍然发生超时
跟随是tcpdump。谁能帮助我了解服务器的响应并判断数据包是否正常?
19:20:34.235727 IP (tos 0x0, ttl 64, id 50058, offset 0, flags [DF], proto TCP (6), length 580)
127.0.0.1.49192 > 127.0.0.1.2000: Flags [P.], cksum 0x0039 (incorrect -> 0xe02b), seq 1:529, ack 1, win 342, options [nop,nop,TS val 1668452551 ecr 1668447103], length 528
19:20:34.235736 IP (tos 0x0, ttl 64, id 39144, offset 0, flags [DF], proto TCP (6), length 52)
127.0.0.1.2000 > 127.0.0.1.49192: Flags [.], cksum 0xfe28 (incorrect -> 0x027a), seq 1, ack 529, win 350, options [nop,nop,TS val 1668452551 ecr 1668452551], length 0