Monitoring Running Tasks

How can I…?
Windows 2000/XP/2003 machines have a built-in IP security mechanism called IPSEC (IP Security).

You can enter the following SPF record, which is a TXT record in the DNS like:

​"v=spf1 a mx ip4:199.199.199.5 ip4:199.199.199.6 -all"

This entry tells the recipients SMTP server that an email where the sender’s address contains “mydomain.com” can only come from certain IP addresses.

If any other IP address is used to send message the recipient can reject it.

​=>software
[software]=>version
Active : GV8BAA3.721 Passive : Gv8baa3.721

If any other IP address is used to send message the recipient can reject it.

Related articles

You may find these related articles of interest to you:

• Block Web Browsing with IPSEC

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