ICMP blocking with Linksys WRT54G - Overclock.net

TedSexington · 08-08-06

Anyone know how to set this router to block ICMP pings?? there's nothing in the user guide and I cant find any options.

SoBe8503 · 08-08-06

I used to have this exact router. It doesn't really say anything about pings or icmp. I believe it is in the WAN settings, a checkbox marked "block anonymous wan requests" or something like that. Let me know how it went.

TedSexington · 08-08-06

Quote:

Originally Posted by SoBe8503

I used to have this exact router. It doesn't really say anything about pings or icmp. I believe it is in the WAN settings, a checkbox marked "block anonymous wan requests" or something like that. Let me know how it went.

I already have that option checked and I can still be pinged.....maybe cisco has set it up with good security so they arent worried if people can ping, cos they wont get past the other security......dunno

SoBe8503 · 08-08-06

Quote:

Originally Posted by TedSexington

I already have that option checked and I can still be pinged.....maybe cisco has set it up with good security so they arent worried if people can ping, cos they wont get past the other security......dunno

Not exactley. If you can be pinged there is always potential for being brute forced. There may be something wrong with the firmware. Have you upgraded recently?

You know, it's funnny. I have a netgear router now and i can't get it to reply. good 'ol networking technology. Don't ask how or why it works, just be happy it works as much as it does.

TedSexington · 08-08-06

Quote:

Originally Posted by SoBe8503

Not exactley. If you can be pinged there is always potential for being brute forced. There may be something wrong with the firmware. Have you upgraded recently?

You know, it's funnny. I have a netgear router now and i can't get it to reply. good 'ol networking technology. Don't ask how or why it works, just be happy it works as much as it does.

yeah I have the latest firmware installed

gonX · 08-08-06

And there's not obviously a option called "Block ICMP pinging" or such?

TedSexington · 08-08-06

not in this router there isnt.

But I did fix the problem....In the Security tab everything was checked except for "Filter internet NAT redirection" which I didnt really this was relevant to ICMP ping blocking seeing as though "Block anonymous internet requests" was checked....

So I thought I'd test the NAT redirection option and now I have true stealth status at Shields Up (see attachment)

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ICMP blocking with Linksys WRT54G

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