Cannot Access WebUI

Discussion:

Cannot Access WebUI

dualsweat

2013-10-09 20:34:21 UTC

dualsweat [http://community.zenoss.org/people/dualsweat] created the discussion

"Cannot Access WebUI"

To view the discussion, visit: http://community.zenoss.org/message/74899#74899

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Hello All,

Â Â Â Â Â Â Â Â We just completed an initial installation of Zen 4.2.4. We are able to access the webUI from the local server using <172.x.x.x:8080>, however, when we try to access the WebUI from a server that is literally right next to it (same local LAN), we get an error "Page Timed Out".
[***@localhost ~]# netstat -antp | grep 8080
tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN 25142/python
tcp 0 0 172.x.x.x:8080 172.16.35.26:55180 ESTABLISHED 25142/python
tcp 0 0 172.x.x.x:55180 172.16.35.26:8080 ESTABLISHED 28083/firefox
[***@localhost ~]#

ï»¿
***@Lubuntu-Server:~# ping 172.x.x.x
PING 172.16.35.26 (172.16.35.26) 56(84) bytes of data.
64 bytes from 172.16.35.26: icmp_req=1 ttl=64 time=0.584 ms
64 bytes from 172.16.35.26: icmp_req=2 ttl=64 time=0.486 ms
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dualsweat

2013-10-09 20:34:46 UTC

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Mark Norton

2013-10-10 00:45:40 UTC

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Mark Norton [http://community.zenoss.org/people/mnorton] created the discussion

"Re: Cannot Access WebUI"

To view the discussion, visit: http://community.zenoss.org/message/74909#74909

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This might be a silly question but are you using https:// https:// to try and get a response. I had the same problem until it hit me that it's just using http.
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dualsweat

2013-10-10 13:51:26 UTC

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Mark Norton

2013-10-10 14:34:14 UTC

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Mark Norton [http://community.zenoss.org/people/mnorton] created the discussion

"Re: Cannot Access WebUI"

To view the discussion, visit: http://community.zenoss.org/message/74918#74918

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Sounds like the firewall is blocking the connection.

As long as your server is not exposed to the outside try this:

iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT

ï»¿
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dualsweat

2013-10-10 14:53:51 UTC

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dualsweat [http://community.zenoss.org/people/dualsweat] created the discussion

"Re: Cannot Access WebUI"

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Thanks for the tip Mark, but still no luck:

[
[***@localhost ~]# iptables -F
[***@localhost ~]# iptables -X
[***@localhost ~]# iptables -t nat -F
[***@localhost ~]# iptables -t nat -X
[***@localhost ~]# iptables -t mangle -F
[***@localhost ~]# iptables -t mangle -X
[***@localhost ~]# iptables -P INPUT ACCEPT
[***@localhost ~]# iptables -P FORWARD ACCEPT
[***@localhost ~]# iptables -P OUTPUT ACCEPT

ï»¿
[***@localhost ~]# 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
[***@localhost ~]#

Anything else I can check?

I have my network cable connected to eth1 and not eth0, does that matter?
All other protocols seems to work without issue.

Thanks,

Matt M.------
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hydruid

2013-10-10 15:18:45 UTC

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hydruid [http://community.zenoss.org/people/hydruid] created the discussion

"Re: Cannot Access WebUI"

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Just to verify it's not the firewall....temporarily turn it off (maybe the
bad guys won't notice for a few minutes).

1. service iptables save
2. service iptables stop
3. chkconfig iptables off

If that doesn't work, run a tcpdump on the Zenoss server to see if it's
receiving the HTTP request. If you can access it from the localhost then
Zenoss itself should be working, which means it's most likely a network
related issue.

Also make sure you're using the IPV4 address of the Zenoss server, e.g.
http://172.16.5.5:8080 http://172.16.5.5:8080 , instead of http://server-name:8080 http://server-name:8080
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dualsweat

2013-10-10 15:39:16 UTC

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dualsweat [http://community.zenoss.org/people/dualsweat] created the discussion

"Re: Cannot Access WebUI"

To view the discussion, visit: http://community.zenoss.org/message/74921#74921

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Thanks Guys,

Â Â Â Â Â Â Â Â Â Â Â Â I disabled the firewall, and tried again. When I try to connect from multiple PC's on the same local LAN as Zen, I do not see any traffic on port 8080 hitting the server. However, if I capture on the loopback and try to connect to Zen via the local Zen server web browser I can connect successfully locally and I see traffic on the loopback interface. So, I guess there is some sort of network issue here.

[***@localhost ~]# service iptables save
iptables: Saving firewall rules to /etc/sysconfig/iptables:[ OK ]
[***@localhost ~]# service iptables stop
iptables: Flushing firewall rules: [ OK ]
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Unloading modules: [ OK ]
[***@localhost ~]# chkconfig iptables off

[***@localhost ~]# tcpdump -i eth0 -s 0 port 8080 -vv
tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes

Thanks,

Matt-------
ï»¿
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dualsweat

2013-10-10 15:46:03 UTC

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hydruid

2013-10-10 16:08:00 UTC

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