Amanda-Users

TCP Port Usage

2004-04-06 10:08:03
Subject: TCP Port Usage
From: "Dean Pullen" <dean.pullen AT virtuefusion DOT com>
To: <amanda-users AT amanda DOT org>
Date: Tue, 6 Apr 2004 15:00:00 +0100

Hi all.

 

I have compiled Amanda using the following options:

 

./configure --with-user=amanda \

                        --mandir=/usr/share/man \

                        --prefix=/usr \

                        --infodir=/usr/share/info \

                        --sysconfdir=/etc \

                        --libdir=/usr/lib \

                        --libexecdir=/usr/lib/amanda \

                        --localstatedir=/var/lib \

                        --with-index-server=admin01 \

                        --with-gnutar-listdir=/var/lib/amanda/gnutar-lists \

                        --with-smbclient=/usr/bin/smbclient \

                        --with-amandahosts \

                        --with-gnutar=/bin/tar \

                        --with-group=disk \

                        --with-owner=amanda \

                        --with-tape-device=/dev/nst0 \

                        --with-debugging=/tmp/amanda \

                        --with-tape-server=admin01 \

                        --with-configdir=/etc/amanda \

                        --with-tcpportrange=52000,60000 \

                        --with-udpportrange=850,851

 

As you can see, I’ve ensured the tcp port-range used is between 52000 and 60000.

 

There are no problems when using amcheck. However, when trying to use amdump, I cannot connect to the client and my firewall reports the following packet drops:

 

Shorewall:all2all:REJECT:IN= OUT=bond1 SRC="" DST=192.168.100.20 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=14897 DF PROTO=TCP SPT=55003 DPT=46882 WINDOW=5840 RES=0x00 SYN URGP=0

 

i.e. packet from Amanda server source port 55003 (within the range I built Amanda with) is trying to be sent to the client on client port 46882 – why is Amanda trying to use this port when I have configured it not to?

 

Thanks for any replies in advance.

 

Dean Pullen

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