Tracking a particular ports on my server [closed]

StackOverflow https://stackoverflow.com/questions/10465370

  •  06-06-2021
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Question

on my apache server,want to track a particular port through my local pc at home so how is it possible with nmap ,suppose the port number is 3080. any commands?

Était-ce utile?

La solution

Have a look at the tcpdump command:

$ sudo tcpdump -n -i eth2 dst port 3080
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth2, link-type EN10MB (Ethernet), capture size 65535 bytes

This listening on the eth2 interface (my wireless connection) for outgoing connections to port 3080.

And in another shell:

$ telnet google.com 3080

To see the connection attempt:

16:52:38.073965 IP 192.168.1.10.51290 > 74.125.227.70.3080: Flags [S], seq 4004145863, win 14600, options [mss 1460,sackOK,TS val 38502 ecr 0,nop,wscale 4], length 0
16:52:39.071494 IP 192.168.1.10.51290 > 74.125.227.70.3080: Flags [S], seq 4004145863, win 14600, options [mss 1460,sackOK,TS val 38752 ecr 0,nop,wscale 4], length 0
16:52:41.075491 IP 192.168.1.10.51290 > 74.125.227.70.3080: Flags [S], seq 4004145863, win 14600, options [mss 1460,sackOK,TS val 39253 ecr 0,nop,wscale 4], length 0
^C
3 packets captured
3 packets received by filter
0 packets dropped by kernel

See also Wireshark

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