[Server-devel] Error binding 8080 port for Dansgaurdian

[Tony Pearson]

Stefan Reitz wrote:
> Dansguardian complains:
> Starting Web Content Filter (dansguardian): Error binding server socket 
> (is something else running on the filter port? [8080])
> Exiting with error  [FAILED]

Stefan, I think I figured out your problem.

==> First, I did an "nmap -v 192.168.0.29" on my eth0 machine for XF, and 
it shows 8080 also:

[root at squid ~]# nmap -v 192.168.0.29

Starting Nmap 4.20 ( http://insecure.org ) at 2008-02-27 06:50 MST
Initiating SYN Stealth Scan at 06:50
Scanning squid.school.pinewood.net (192.168.0.29) [1697 ports]
Discovered open port 22/tcp on 192.168.0.29
Discovered open port 443/tcp on 192.168.0.29
Discovered open port 80/tcp on 192.168.0.29
Discovered open port 53/tcp on 192.168.0.29
Discovered open port 8080/tcp on 192.168.0.29
Discovered open port 3128/tcp on 192.168.0.29
Completed SYN Stealth Scan at 06:50, 0.18s elapsed (1697 total ports)
Host squid.school.pinewood.net (192.168.0.29) appears to be up ... good.
Interesting ports on squid.school.pinewood.net (192.168.0.29):
Not shown: 1691 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
53/tcp   open  domain
80/tcp   open  http
443/tcp  open  https
3128/tcp open  squid-http
8080/tcp open  http-proxy

==> Then, I did a grep to look for 8080 in my /etc files

[root at squid ~]# grep -r "8080" /etc/*
/etc/gconf/schemas/system_http_proxy.schemas:      <default>8080</default>
/etc/gconf/gconf.xml.defaults/%gconf-tree.xml:
              <default type="int" value="8080">
grep: /etc/httpd/run/dbus/system_bus_socket: No such device or address
grep: /etc/httpd/run/avahi-daemon/socket: No such device or address
/etc/lighttpd/lighttpd.conf:server.port                = 8080
/etc/services:webcache  8080/tcp                        # WWW caching 
service
/etc/services:webcache  8080/udp                        # WWW caching 
service

I don't know what gconf is, but I do recognize "lighty" (lighttpd) as a 
"Apache Lite",
but given that we are already using "Apache" itself, no need for it.  I am 
not sure why
we have Lighty active at all. 

* * * * *  Wad?  Can you shed some light on this?  (pun intended.)

==> Then, I checked if ligthttpd was running.  It was

[root at squid ~]# chkconfig --list | grep light
lighttpd        0:off   1:off   2:off   3:on    4:off   5:on    6:off

==> Then I stopped it

[root at squid ~]# service lighttpd stop
Stopping lighttpd:                                         [  OK  ]

==> Then I ran nmap again:

[root at squid ~]# nmap -r 192.168.0.29

Starting Nmap 4.20 ( http://insecure.org ) at 2008-02-27 07:06 MST
Interesting ports on squid.school.pinewood.net (192.168.0.29):
Not shown: 1692 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
53/tcp   open  domain
80/tcp   open  http
443/tcp  open  https
3128/tcp open  squid-http

Nmap finished: 1 IP address (1 host up) scanned in 0.178 seconds

==> So shutting down lighttpd eliminated the 8080 port listening.  Now to 
make
it permanent so that it doesn't start backup up again during boot time.

[root at squid ~]# chkconfig --level 345 lighttpd off
[root at squid ~]# chkconfig --list lighttpd
lighttpd        0:off   1:off   2:off   3:off   4:off   5:off   6:off

==> This is probably what is happening in your situation, or at least 
shows
you the diagnostic process for figuring things out like this.

Hope this helps, Tony





Tony Pearson
Senior Storage Consultant, IBM System Storage?
Telephone: +1 520-799-4309 |  tie 321-4309 |  Cell: +1 520 990-8669
email: tpearson at us.ibm.com |  GSA: http://tucgsa.ibm.com/~tpearson
Blog: http://www.ibm.com/developerworks/blogs/page/InsideSystemStorage
AKA: 990tony Paravane, eightbar specialist 


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