Solved

Linksys RV082 Firewall Access Rule and port forwarding

Posted on 2008-10-28
3
1,723 Views
Last Modified: 2013-11-22
I'm attempting to restrict SMTP traffic to only accept from Trend Micro's IP Range, as we use their hosted A/V, Spam service.  
I set up a firewall access rule to accept SMTP sourced from  limited to Trend Micro's IP Range


How do I test the firewall restrictions once implemented?

My experience with this is quite limited so please be specific.  Thanks in Advance!
0
Comment
Question by:bigsleeper
  • 2
3 Comments
 
LVL 79

Accepted Solution

by:
lrmoore earned 500 total points
ID: 22913046
Have someone try to telnet to your public ip, port 25. If they can't get anything, and email is still coming in, then your rules are working properly.
0
 

Author Closing Comment

by:bigsleeper
ID: 31510824
Thanks!
0
 

Author Comment

by:bigsleeper
ID: 22918960
Success. An external Telnet attempt fails when the firewall rules are enabled and succeeds when disabled, all the while, inbound from trend flows in as expected.  I was concerned as I have read posts stating the this router would give port forwarding priority over firewall rules, effectively ignoring them for port forwarded traffic.  But testing with telnet before and after enabling of firewall rules prove that the router is accurately applying the rules before forwarding.
Thanks for solution!
0

Featured Post

How to improve team productivity

Quip adds documents, spreadsheets, and tasklists to your Slack experience
- Elevate ideas to Quip docs
- Share Quip docs in Slack
- Get notified of changes to your docs
- Available on iOS/Android/Desktop/Web
- Online/Offline

Join & Write a Comment

Suggested Solutions

These are on the increase and getting more common these days. Users who use the Google search engine may complain of having their search redirected to unwanted sites, regardless of what browser is used. This happens when the system is infected with…
Hi All,  Recently I have installed and configured a Sonicwall NS220 in the network as a firewall and Internet access gateway. All was working fine until users started reporting that they cannot use the Cisco VPN client to connect to the customer'…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

746 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

13 Experts available now in Live!

Get 1:1 Help Now