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Special Forums IP Networking Using Another Account as Internet Proxy Post 302963764 by hicksd8 on Tuesday 5th of January 2016 04:38:42 PM
Old 01-05-2016
So your local servers are using the bank of purchased static ip's and are effectively directly on the internet?

If when trying to connect locally you are referencing a nodename, then that nodename will need to be resolved to an ip address. If your DNS service is external (and unreliable and perhaps provided by your ISP) then if it becomes unreachable every so often it would affect your local connectivity too. Just a thought at this early stage.

Do you know where your local nodes get their DNS settings from? Are they acquired through DHCP?

If the timeout is caused by DNS failure then setting local resolution through /etc/hosts file entries might help.

What O/S's are we talking about here?

---------- Post updated at 09:30 PM ---------- Previous update was at 09:21 PM ----------

Stating the obvious, LAN connections do not need any ISP or WAN involvement once the connection is established.

I may well be wrong but my experience would tell me to look at the DNS service reliability and/or the actual DNS settings and where they are acquired. This type of timeout connection issue bears all the hallmarks of a DNS screw up.

Let's hope we soon get other input from other forum members. There's probably questions that I've forgotten to ask.

---------- Post updated at 09:35 PM ---------- Previous update was at 09:30 PM ----------

You could configure another system on your LAN as an internet proxy server if you believe for some reason that it won't suffer the same issue. You'd then need to configure all your workstations to use that proxy (or autodetect that proxy).

---------- Post updated at 09:38 PM ---------- Previous update was at 09:35 PM ----------

You could interrogate your systems to see what primary DNS and secondary DNS server ip addresses they are using. Then set up a couple of machines to ping each of these continuously. See if they are still successfully pinging when the problem occurs or whether the DNS servers are unreachable at that time.
 

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XFINDPROXY(1)						      General Commands Manual						     XFINDPROXY(1)

NAME
xfindproxy - locate proxy services SYNOPSIS
xfindproxy -manager managerAddr -name serviceName -server serverAddr [-auth] [-host hostAddr] [-options opts] DESCRIPTION
xfindproxy is a program used to locate available proxy services. It utilizes the Proxy Management Protocol to communicate with a proxy manager. The proxy manager keeps track of all available proxy services, starts new proxies when necessary, and makes sure that proxies are shared whenever possible. The -manager argument is required, and it specifies the network address of the proxy manager. The format of the address is a standard ICE network id (for example, "tcp/blah.x.org:6500"). The -name argument is required, and it specifies the name of the desired proxy service (for example, "LBX"). The name is case insensitive. The -server argument is also required, and it specifies the address of the target server. The format of the address is specific to the proxy service specified with the -name argument. For example, for a proxy service of "LBX", the address would be an X display address (e.g, "blah.x.org:0"). The -auth argument is optional. If specified, xfindproxy will read 2 lines from standard input. The first line is an authoriza- tion/authentication name. The second line is the authorization/authentication data in hex format (the same format used by xauth). xfind- proxy will pass this auth data to the proxy, and in most cases, will be used by the proxy to authorize/authenticate itself to the target server. The -host argument is optional. If xfindproxy starts a new proxy service, it will pass the host specified. The proxy may choose to restrict all connections to this host. In the event that xfindproxy locates an already existing proxy, the host will be passed, but the semantics of how the proxy uses this host are undefined. The -options argument is optional. If xfindproxy starts a new proxy service, it will pass any options specified. The semantics of the options are specific to each proxy server and are not defined here. In the event that xfindproxy locates an already existing proxy, the options will be passed, but the semantics of how the proxy uses these options are undefined. If xfindproxy is successful in obtaining a proxy address, it will print it to stdout. The format of the proxy address is specific to the proxy service being used. For example, for a proxy service of "LBX", the proxy address would be the X display address of the proxy (e.g, "blah.x.org:63"). If xfindproxy is unsuccessful in obtaining a proxy address, it will print an error to stderr. SEE ALSO
proxymngr (1), Proxy Management Protocol spec V1.0 AUTHOR
Ralph Mor, X Consortium XFree86 Version 4.7.0 XFINDPROXY(1)
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