Attacks from Hackers

ckleea

I have been attracked in the last few days from  '219.117.232.107'
Any suggestion to prevent?

ckleea

Another one from 41.64.217.63

ckleea

One from Japan, one from Egypt

角色

I do not know the way unless your have a very strong password.

YH

yiucsw

我想问一下，要是换5060 到其他Port -》10002 会不会好点？

角色

Yes, agree.

YH

bubblestar

Port 10020 不是已經給ET263佔用了嗎?  除非你不使用ET263服務，否則用其它會不會更好呢!?

alang

fail2ban 是個不錯的保護套件。

ckleea

I can install in my centos server but how about IP01.

ckleea

There were attacks again. It is from an IP address of DNS server. Rapid scanning using extensions from 0 to 9999

角色

That is why our password must not be so simple, it should include letters and numbers.

YH

ckleea

Is it possible to use a longer user name like commerically available SIP account?

角色

In fact Asterisk does allow letters for extension but use number for convenience. So the hacker must start with number and try simple password hacking for each password. If our password is composed of 8 alphanumerical digits or more. It should be okay.

YH

角色

How about other members? What is the length and the format of your password in the extension password?

By the way, the root password must be very long enough otherwise it would be very easily hacked. Mine is a 13-alphanumerical digits.

YH

ckleea

In fact Asterisk does allow letters for extension but use number for convenience. So the hacker must ...
角色 發表於 2010-8-10 16:39

    How to change to alphanumeric user extensions or login in alphanumeric but keep user extension as numerical?