Tcp --> netstat -tanp UDP --> netstat -uanp El Miércoles 23 Junio 2004 17:48, Andreas Röxeisen escribió: > Hi all, > > can anyone tell me how I can find out which program is listening on > which port or using which port. > > This because I've a problem with 'Azureus 2.1.0.2' my Bittorrent-Client > (running on FC2) who tells me on startup: "Failed to establish listen on > port 6969. Check that other applications aren't already using this > port." > > Here my iptables I'm using > > [START-iptables] > # Firewall configuration written by system-config-securitylevel > # Manual customization of this file is not recommended. > *filter > > :INPUT ACCEPT [0:0] > :FORWARD ACCEPT [0:0] > :OUTPUT ACCEPT [0:0] > :RH-Firewall-1-INPUT - [0:0] > > -A INPUT -j RH-Firewall-1-INPUT > -A FORWARD -j RH-Firewall-1-INPUT > -A RH-Firewall-1-INPUT -i lo -j ACCEPT > -A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT > -A RH-Firewall-1-INPUT -p 50 -j ACCEPT > -A RH-Firewall-1-INPUT -p 51 -j ACCEPT > -A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 25 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 23 -j > ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport > 6881:6889 -j ACCEPT > -A RH-Firewall-1-INPUT -m state --state NEW -m udp -p udp --dport > 6881:6889 -j ACCEPT > -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited > COMMIT > > [END-iptables] > > Any Idea? > > TIA, Andreas
