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Re: [NETVAERK] Trafikovervågning



Jesper Krogh skrev:
I sslug.netvaerk, skrev Christian Wix-Nielsen:
Hvordan kan jeg på kommandolinien se hvilke forbindelser der etableres til og fra maskinen. Jeg har på fornemmelse af noget står og modtager data eller sender data til en kinesisk maskine!!!
Jeg syntes at iptraf er ret lækker til denne slags ting.

Jesper

Et udpluk fra NAT:
Outgoing: Total 4915, TCP 4581, UDP 240, ICMP 94, Unroutable 94
Incoming: Total 8978, TCP 8644, UDP 334, ICMP 0, Unroutable 0
Table: Allocated 4656, Freed 4541, Full 0, Expired 4460, Cache hit %f%
Slot Prot Internal-IP :Port Outgoing-IP :Port External-IP :Port Idle
1 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:57844 120
2 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:51675 101
3 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:41403 104
4 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:36688 98
5 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:21408 165
6 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:1884 24
7 TCP 168.0.0.2:80 217.158.225.48:80 206.225.82.32:14125 93
8 TCP 168.0.0.2:80 217.158.225.48:80 206.225.82.32:12008 146
9 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:9339 80
10 TCP 168.0.0.2:80 217.158.225.48:80 206.225.82.32:39867 251
11 TCP 168.0.0.2:80 217.158.225.48:80 62.2.162.22:56978 86



Jeg vil prøve at finde pakken (iptraf). Indtil videre har jeg gjort flg:

iptables -A INPUT -p ALL -s 62.2.162.22 -j DROP
iptables -A OUTPUT -p ALL -d 62.2.162.22 -j DROP
iptables -A INPUT -p ALL -s 206.225.82.32 -j DROP
iptables -A OUTPUT -p ALL -d 206.225.82.32 -j DROP

Det har hjulpet noget.
Chr.


 
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