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12-09-2009, 11:41 PM #1Junior Guru Wannabe
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Can't ping vps, but sites work fine
The sites on the vps work fine. But I can't ping the server. Hostname lookup is fine, just nothing ever comes back. Using cpanel/virtuozzo. Is there some setting in the server or firewall (virtuozzo, advanced mode) that would keep ping from working?
Thanks.
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12-09-2009, 11:53 PM #2Web Hosting Master
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12-09-2009, 11:55 PM #3Junior Guru Wannabe
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ok, thanks!
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12-10-2009, 01:09 AM #4Corporate Member
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You could determine this yourself to an extent. Run a tcpdump on your VPS then from your home PC ping the VPS IP. So get on the VPS as root and run this:
tcpdump -nvvv -i venet0:0 host HOME_IP and icmp
21:07:13.118043 IP (tos 0x0, ttl 62, id 0, offset 0, flags [DF], proto: ICMP (1), length: 84) HOME_IP > VPS_IP: ICMP echo request, id 3666, seq 1, length 64
21:07:13.118119 IP (tos 0x0, ttl 64, id 49662, offset 0, flags [none], proto: ICMP (1), length: 84) VPS_IP > VPS_IP: ICMP echo reply, id 3666, seq 1, length 64
JoeUNIXy - Fully Managed Servers and Clusters - Established in 2006
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cPanel Varnish Plugin -- Seamless SSL Caching (Let's Encrypt, AutoSSL, etc)
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12-10-2009, 01:30 AM #5Junior Guru Wannabe
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Nice, thanks! Yes, I see the packets coming in. I have so much CLI stuff to learn... thanks.
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12-10-2009, 01:32 AM #6Corporate Member
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UNIXy - Fully Managed Servers and Clusters - Established in 2006
Server Management - Unlimited Servers. Unlimited Requests. One Plan!
cPanel Varnish Plugin -- Seamless SSL Caching (Let's Encrypt, AutoSSL, etc)
Slow Site or Server? Unable to handle traffic? Same day performance fix: joe@unixy
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12-10-2009, 01:43 AM #7Junior Guru Wannabe
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So what am I looking at here. The iptables help doesnt really tell you much as to what it's actually listing.. I suppose if I knew how to use the iptables, it would be apparent what it's listing..
Code:icmp -- [ip1] 0.0.0.0/0 icmp -- 0.0.0.0/0 [ip1] icmp -- [ip2] 0.0.0.0/0 icmp -- 0.0.0.0/0 [ip2]
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12-10-2009, 06:40 AM #8Newbie
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- Nov 2009
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Hi,
1. Please confirm about the IP address.
2. Please check whether you have enabled anyother firewall(APF, CSF)
3. Please check the log files ( /var/log/messages, /var/log/secure)
-Stephan
--------------
VHeeds - Remote Infrastructure / WebHosting support
E-mail: Stephan.heeds@gmail.com
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12-10-2009, 06:48 AM #9Web Hosting Master
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A simple traceroute would show where the pings are being dropped and a tcptraceroute to compare the results.
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