How to questions on firewall for aix
RALEIGH NETWORKING SUPPORT CENTER (RALY - NA/ATS)
IBM eNetwork Firewall V3.2 for AIX
Pls, may you help me with these questions for my customer
regarding eNetwork Firewall for AIX?
a) How to block an email when this exceed a limit of the number
of email per user.
b) How to block the access to another websites.
c) How to give a specific schedule/time to an user to access
d) How to create a restrictive email distribution list.
The IBM Firewall uses its own secure mail gateway called SafeMail.
SafeMail is only a mail relay, so at least one mail server in the
secure network is required to receive all incoming mail. Since the
mail server is not part of the IBM Firewall product, your customer
would have to check with the manufacturer of that mail server to
see how they could define thresholds for the limit of mail each user
can receive. This is usually done by limiting the size of the mailbox.
Once the size of the mailbox has been reached, it will not receive
any more mail till the mail is eliminated from the mailbox. Most
mail servers will also allow a 'maximum size' restriction to the size
of each piece of mail so that large files attached will be restricted.
There is a product called MIMEsweeper that has a component called
MAILsweeper that can scan and restrict mail. This product is installed
on an internal SMTP gateway and intercepts the mail, examines it, then
determines how to process it based on rules set up for examining the
mail. The URL for MIMEsweeper is http://www.mimesweeper.com
The IBM Firewall can not block access to other websites, but there
are two different products that can provide that service. IBMs Web
Traffic Express - see URL; http://www.software.ibm.com/webservers/wte/
a product called Web Sense (not an IBM product) at URL;
http://www.netpartners.com/products/index.html This product can
block time of day access to the Internet as well. You can also
restrict time-of day access through the firewall by defining 'Time
Controls' in the 'Services' panals of the IBM Firewall. For example, to
deny websurfing after a specific time, you would set the HTTP services
to begin and end at a specific time.
Creating a restrictive email distribution list would also be a function
of the mailserver. This function would be unique to each mailserver
so your customer would have to consult the User Guide of the mailserver
they are using.
Thank you for using ASKQ
WWQA: ITEM: RTA000153441 ITEM: RTA000153441
Dated: 11/1998 Category: FIREWAIX
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