Block IP with Juniper SSG5

Posted on 2014-12-11
Medium Priority
Last Modified: 2014-12-12
I have intermedia as my hosted exchange solution. Intermedia keeps blocking my public IP because they said that my network is trying to connect to their server via RDP protocol.

I logged in to SSG5 to see if i could find anything and the only suspicious thing I saw was. untrust-local... to trust (any > any). I deleted it.

I only have one user who logins to a computer remotely via RDP.  I don't know how to scan the network to see which computer is sending mass traffic to their servers. I installed wireshark but I don't really know how to use it.

any suggestions?

BTW, I scanned all computers and did remove viruses/trojans from a couple, intermedia unblocked it and email worked again, but this is the third time they blocked it.
Question by:Anthony H.
  • 2
LVL 72

Accepted Solution

Qlemo earned 2000 total points
ID: 40495702
To block RDP to a specific public IP address, create a policy Trust to Untrust with adresses Any and that public IP, and RDP as service. Make sure to check the "top" option so the policy is applied before any other policy. Action is Deny.

Author Comment

by:Anthony H.
ID: 40496622
i also closed from untrust to trust. It should be OK to reopen that right?
LVL 72

Expert Comment

ID: 40497484
Untrust is Internet. You don't want to block RDP from internet to LAN, do you?  So remove it,  or leaves it alone if it doesn't matter for you. By default all Untrust traffic is blocked unless explicitly allowed.

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