On Thu, Dec 04, 2008 at 12:28:57PM +0100, randall wrote: > dear all, > > not sure if its Vserver related at all, > > but i have a small issue with network throughput to a Vserver. > > its a routed with a 3 interfaces shorewall set up, eth0 net, eth1 lan > and dummy0 dmz where the vserver are with 192.168.2.xx addresses. > > i have a samba file server in 1 of the vservers and i can get about > 80mbit measured connection from the LAN which looks good to me. > > i have a zimbra vserver that is causing the problem where i can connect > from the LAN without any problem and everything does work only i can not > get more then about 50 kbit connection when connecting to imap, pop or > http so its horribly slow. > > when using mutt for example from within the file server on the same host > the imap connection is blazingly fast as to be expected. > > as far as i can see all traffic is routed correctly via shorewall and > there are no errors to be found in the zimbra logs so i'm stuck at the > moment and pretty clueless on what to look for. > > i do have a similair zimbra setup and never seen this kind of behaviour > before. > > anybody has a clue? you are aware, that no packets will leave or arrive at dummy0? i.e. your firewall setup handles that properly and uses interfaces eth0, eth1 and lo (accordingly)? if not, add a log rule for every dropped/rejected packet and fix up the rules first ... HTH, Herbert > thanks for reading this anyway ;) > > Randall > > > >