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Re: [NOVICE] Ubuntu og Firewall



Jan Hertel wrote:
Kristian Vilmann wrote:
<--- klip --->

... men prøv lige at lave en "netstat -an" og post output her.


Her er (noget af) output fra den anden maskine:

Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN
tcp        0      0 127.0.0.1:631           127.0.0.1:32770         ESTABLISHED
tcp        1      0 82.143.213.141:32772    82.211.81.132:80        CLOSE_WAIT
tcp        0      0 82.143.213.141:32955    64.233.171.107:80       ESTABLISHED
tcp        0      0 127.0.0.1:32770         127.0.0.1:631           ESTABLISHED
tcp6       0      0 ::1:25                  :::*                    LISTEN
udp        0      0 0.0.0.0:68              0.0.0.0:*
Active UNIX domain sockets (servers and established)
Proto RefCnt Flags       Type       State         I-Node Path
.........
.........

Så vidt jeg kan se, er der lidt forskel til min første listning, dog
ikke med hensyn til porte der lyttes på?

Rigtigt.


P.S.: Jeg er afhængig af DHCP (fra min ISP).

Så må du hellere lade den stå åben :)


Men hvis du snakker DHCP direkte med din ISP, vil der måske være mening med en firewall. Specielt hvis du finder på at lege med hvad Ubuntuen egentlig kan mht. netværksservices.

/kristian



 
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