Re: [CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread Cliff Pratt
On Sat, Mar 30, 2013 at 12:54 PM, SilverTip257 wrote: > On Fri, Mar 29, 2013 at 1:09 PM, zGreenfelder >wrote: > > > On Fri, Mar 29, 2013 at 12:37 PM, Pat Haley wrote: > > > > > > Hi, > > > > > > Actually we're talking about both SSH and XDMCP X11 forwarding. > > > Both seem to be currently disab

Re: [CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread SilverTip257
On Fri, Mar 29, 2013 at 1:09 PM, zGreenfelder wrote: > On Fri, Mar 29, 2013 at 12:37 PM, Pat Haley wrote: > > > > Hi, > > > > Actually we're talking about both SSH and XDMCP X11 forwarding. > > Both seem to be currently disabled by the iptables. > > > > We'll try out what you suggest and get back

Re: [CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread zGreenfelder
On Fri, Mar 29, 2013 at 12:37 PM, Pat Haley wrote: > > Hi, > > Actually we're talking about both SSH and XDMCP X11 forwarding. > Both seem to be currently disabled by the iptables. > > We'll try out what you suggest and get back with the results. > Thanks. > > Pat iptables should have no effect (

Re: [CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread Pat Haley
Hi, Actually we're talking about both SSH and XDMCP X11 forwarding. Both seem to be currently disabled by the iptables. We'll try out what you suggest and get back with the results. Thanks. Pat > On Fri, Mar 29, 2013 at 11:34 AM, Pat Haley wrote: > >> Hi, >> >> We recently installed CentOS

Re: [CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread SilverTip257
On Fri, Mar 29, 2013 at 11:34 AM, Pat Haley wrote: > > Hi, > > We recently installed CentOS 6.2 on our cluster. During > the installation/debugging of various secondary software, we had > disabled iptables. When we re-enabled them, we found that the > front-end would no longer X11 forward (alth

[CentOS] iptables settings for X11 forwarding in CentOS 6.2

2013-03-29 Thread Pat Haley
Hi, We recently installed CentOS 6.2 on our cluster. During the installation/debugging of various secondary software, we had disabled iptables. When we re-enabled them, we found that the front-end would no longer X11 forward (although it does so when the iptables are off). What do we need to s