I cannot contact external servers/services

Problem

I have to contact an external server from within the HLRN, but it does not work, what can I do?

Solution

HLRN network connectivity is restricted. You can connect to HLRN from any remote host. Connections from HLRN are restricted to SSH, HTTP and HTTPS from the HLRN login nodes. Contact HLRN Support if you need to connect to ports other than the three mentioned.

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I cannot contact external servers/services

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