2011/10/14 Bruno Costacurta <tec...@costacurta.org>: > > [snip] > >> Both server and client shows no firewall : >> >> ###### server >> iptables -L >> Chain INPUT (policy ACCEPT) >> target prot opt source destination >> Chain FORWARD (policy ACCEPT) >> target prot opt source destination >> Chain OUTPUT (policy ACCEPT) >> target prot opt source destination >> >> ##### client >> /sbin/iptables -L >> Chain INPUT (policy ACCEPT) >> target prot opt source destination >> Chain FORWARD (policy ACCEPT) >> target prot opt source destination >> Chain OUTPUT (policy ACCEPT) >> target prot opt source destination >> >> Same on the router. >> > > As suggested in previous email the telnet use TCP, but collect UDP. > So using netcat tools I tried to sent UDP and TCP to the server collectd > from the client : > > nc -w 5 X.X.X.X 22061 -> TCP reaches the server > nc -u -w 5 X.X.X.X 22061 -> UDP do NOT reaches the server > > So apparently it is a network problem. > The TCP protocol reach the collectd server, but the UDP cannot reach the > server. > > But there is no firewall on server neither client. > So why this different behavior ?
try connecting them 'directly' or thru VPN/tunnel and then try it. If it works it means your router (another linux box or some dedicated hardware? ) is doing something funny :) alternatively tunnel UDP thru TCP with something like socat _______________________________________________ collectd mailing list collectd@verplant.org http://mailman.verplant.org/listinfo/collectd
