Differences
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
| en:troubleshootingserverconnection [2020/01/30 16:11] – [Assumption] Martin Machyniak | en:troubleshootingserverconnection [2025/09/08 11:42] (current) – [Availability of T3C Server] Pavel Machyniak | ||
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| - | ====== Troubleshooting | + | ====== Troubleshooting T3C Server connection issues ====== |
| <WRAP round tip 90%> | <WRAP round tip 90%> | ||
| If //T3C system// was working fine and from some time point it is not working anymore, please verify what changes has been made in network and infrastructure configuration and // | If //T3C system// was working fine and from some time point it is not working anymore, please verify what changes has been made in network and infrastructure configuration and // | ||
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| * //T3C Server// has a short-term outage or is overloaded | * //T3C Server// has a short-term outage or is overloaded | ||
| * //T3C Service// connects to the Internet using a proxy server that is not currently operational or its settings or authorization has changed | * //T3C Service// connects to the Internet using a proxy server that is not currently operational or its settings or authorization has changed | ||
| - | * Communication is blocked by firewall | + | * Communication is blocked by a // |
| ==== Internet connection ==== | ==== Internet connection ==== | ||
| Open an internet browser and try to access multiple sites on the // | Open an internet browser and try to access multiple sites on the // | ||
| - | ==== Availability of T3C Central | + | ==== Availability of T3C Server ==== |
| - | Verify the availability of central | + | Verify the availability of //T3C Server// at https://cs.t3c.sk: |
| * The page with the T3C logo in the green circle appears, the connection is OK | * The page with the T3C logo in the green circle appears, the connection is OK | ||
| * The page with the T3C logo in the orange circle appears, the server may be temporarily overloaded | * The page with the T3C logo in the orange circle appears, the server may be temporarily overloaded | ||
| * The page with the T3C logo in the red circle appears or there is no page: | * The page with the T3C logo in the red circle appears or there is no page: | ||
| - | * Address translation error - try accessing by IP address http://195.28.95.62 | + | * Address translation error: |
| + | * In command line run //nslookup// | ||
| + | * Enter address //cs.t3c.sk// | ||
| + | * Verify that it translates to //172.201.45.176// | ||
| * The server is blocked - try accessing from another network or other device | * The server is blocked - try accessing from another network or other device | ||
| * The server has an outage or the connection is currently overloaded - try it later | * The server has an outage or the connection is currently overloaded - try it later | ||
| ==== Proxy server ==== | ==== Proxy server ==== | ||
| - | If central | + | If //T3C Server// is available, but //T3C Service// does not communicate, |
| ==== Firewall ==== | ==== Firewall ==== | ||
| - | If central | + | If //T3C Server// is available, but //T3C Service// does not communicate, |
| ~~DISCUSSION: | ~~DISCUSSION: | ||