ID #1250

How to block SMTP port 25 in eScan Firewall?

Steps to block SMTP port 25 in eScan Firewall -

 

-Open escan protection center >> Click Firewall >> Settings 
-Select Interactive Filter
-Click Zone Rule delete all the entries
-Click Zone Rule and Select Add IP Range,exclude mail server IP Addres and add the rest of the local network IP Address as trusted.
Note:You need to create 2 rules if required.
For Ex:If your mail server IP is 192.168.0.23
Then you need to create a rule as 192.168.0.1 to 192.168.0.22 as trusted
Another rule is 192.168.0.24 to 192.168.254.254 as trusted

 

-Click Local IP List and remove 192.*.*..*
-Click ExpertRule Menu |Modify Firewall Rule Name "E-Mail (SMTP, POP3, IMAP) - For sending and receiving emails"
Select General | Deny Packet |Protocal as TCP|
-Selct Source IP Addtess as "MyNetwork" and SourcePort as "Any"
-Select Destination singel IP Address <Mentioned Mail Server IP> and destination port <singe port as 25>

 

-Goto registry editor modify the following entries as given below
1]
HKEY_LOCAL_MACHINE\SOFTWARE\MicroWorld\eConceal\eConceal Firewall\LocalIP]
"OLocalIPList"="127.*.*.*"
"LocalIPList"="127.*.*.*""

 

Remove 192.168.*.* series


2] 

HKEY_LOCAL_MACHINE\SOFTWARE\MicroWorld\eConceal\eConceal Firewall\Common

DisableFWOnMissingIP = 0

Restart the machine and do check the same.

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