Tks for your answer. Selinux is desactivated ... it's for that, i post my question. Porsentry is listening at the minimum ... : all others application are running good ... i really don't know : if it is my snmp.conf which is wrong , or the port which is blocked. I loose my original snmd.conf file. If you can give me your if your have it, i'll test and relaunch my snmd daemon. tks a lot for your help regards Manu Bob Chiodini a écrit : > On Sat, 2005-04-23 at 23:41 +0200, Manu Linux Lookit wrote: > >>Hi, i'd like to use and learn more about SNMP protocole. >> >>I havegot some pbs with it under my FC3/770kernel : >> >>Here are the results of sh commands : >> >>[root@nsl3 ~]# ps -ef | grep snm >>root 4690 1 0 20:08 ? 00:00:00 /usr/sbin/snmptrapd -Lsd >>-p /var/run/snmptrapd.pid >>root 23090 1 0 23:37 ? 00:00:00 /usr/sbin/snmpd -Lsd -Lf >>/dev/null -p /var/run/snmpd -a >>root 23104 22795 0 23:37 pts/2 00:00:00 grep snm >>[root@nsl3 ~]# telnet 127.0.0.1 161 >>Trying 127.0.0.1... >>telnet: connect to address 127.0.0.1: Connection refused >>telnet: Unable to connect to remote host: Connection refused >>[root@nsl3 ~]# more /etc/snmp/snmpd.conf >>rocommunity nsl >>disk / 10000 >>[root@nsl3 ~]# >> >> >>i don't know why i can't access on snmpd daemon to use it under nagios . >> >>Any help will be welcome. >> >>Regards >>Emmanuel >> > > > Do you have any firewall rules blocking port 161? > > Bob... >