[root@mbox ~]# tcpdump -n "port 82"
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
16:54:37.057743 IP 202.5.145.57.2659 > 202.5.145.56.82: S 1338026472:1338026472(0) win 65535 <mss 1460,nop,nop,sackOK>
16:54:37.979831 IP 64.113.76.55.51450 > 202.5.145.56.82: S 686090109:686090109(0) win 5840 <mss 1460,sackOK,timestamp 3712408643 0,nop,wscale 2>
16:54:39.992680 IP 202.5.145.57.2659 > 202.5.145.56.82: S 1338026472:1338026472(0) win 65535 <mss 1460,nop,nop,sackOK>
16:54:40.964983 IP 64.113.76.55.51450 > 202.5.145.56.82: S 686090109:686090109(0) win 5840 <mss 1460,sackOK,timestamp 3712411643 0,nop,wscale 2>
16:54:45.910571 IP 202.5.145.57.2659 > 202.5.145.56.82: S 1338026472:1338026472(0) win 65535 <mss 1460,nop,nop,sackOK>
16:54:47.036879 IP 64.113.76.55.51450 > 202.5.145.56.82: S 686090109:686090109(0) win 5840 <mss 1460,sackOK,timestamp 3712417643 0,nop,wscale 2>
16:54:58.970161 IP 64.113.76.55.51450 > 202.5.145.56.82: S 686090109:686090109(0) win 5840 <mss 1460,sackOK,timestamp 3712429643 0,nop,wscale 2>