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Anti Port Scan

Добавлено: 2010-08-06 9:48:38
Читаю статью где написано:
By default OpenSSH (SSH Remote Login Protocol) server runs on tcp port 22. This is useful for a single system connected to DSL/ADSL or home internet equipments. Others cannot guess your port easily (until and unless they perform port scan). If port scan is blocked, then no one can figure it out your ssh port (again some one need to write a script to try connection at every port). This make your servers just a little more difficult to access.
Интересует фрагмент If port scan is blocked.
Как можно защититься от сканирование?

Re: Anti Port Scan

Добавлено: 2010-08-06 9:50:32
portsentry вроде
поищи по сайту