if ip illigally used by someone else, can i still login?

hello,

this morning, i did a reboot, but then my server never came back up. i had to seek help from my provider. i thought it was the firewall which blocks my access. but then found out in boot.log that the ip is used by someone else so i couldn't log in.

after reviewing the boot.log, i found that my other ips on the same server still brought up (ipaliases).

so i am just wondering, even if the main ip is illegally used by someone else, is there a way to login still? without adding a second nic and using a second port.

thank you.

 

 

 

 

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