Campuses:
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| computing:network:firewall_and_proxies [2013/04/02 12:15] – [FTP Proxy] allan | computing:network:firewall_and_proxies [2022/05/27 15:42] (current) – [External connections] cse-sull0153 | ||
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| - | ====== | + | ====== |
| Physics runs a firewall configuration which blocks all unwanted incoming connections from both the university and the internet in general, and also controls traffic between the internal subnets. | Physics runs a firewall configuration which blocks all unwanted incoming connections from both the university and the internet in general, and also controls traffic between the internal subnets. | ||
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| ===== External connections ===== | ===== External connections ===== | ||
| - | * Port 22/tcp (ssh) is the only port which is open to all internal hosts from everywhere on the internet. | + | * Port 22/tcp (ssh) is the only port which is open to all static |
| + | * spa-ssh-01.spa.umn.edu is the only host that is open to the world and DUO login is required unless an SSH key is used. | ||
| ===== Internal connections ===== | ===== Internal connections ===== | ||
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| </ | </ | ||
| - | Some ftp servers may not behave gracefully with the basic '' | + | Some ftp servers may not behave gracefully with the basic '' |
| + | ncftp -u anonymous@archive.stsci.edu ftp-proxy.spa.umn.edu | ||
| + | or for the non-anonymous version: | ||
| + | ncftp -u myusername@archive.stsci.edu -p mypassword ftp-proxy.spa.umn.edu | ||
| To connect to an ftp site using a web browser, you would use a URL like this: | To connect to an ftp site using a web browser, you would use a URL like this: | ||