RE: VLAN and Checkpoint

2002-05-17 Thread Jason Yuan
Check Point's latest SecurePlatform is really cool. It's a bootable CD that will install a hardened kernel, 2.4.x as well as CP binaries. It will also come with VLAN support. Jason Jason YuanSecurity ConsultantNiles AssociatesDo You Yahoo!? LAUNCH - Your Yahoo! Music Experience

RE: Attack through Port 80

2002-04-08 Thread Jason Yuan
Looks very much like 'code red' or a variation of it. basically, it's trying to excute root command out of your NT, often time it's scanning arround to find a trojan. PIX? I doubt there is fix for that. Jason Alex Kvasnytskyy [EMAIL PROTECTED] wrote: Hi Fei,Not sure how much you can do with

RE: Sonicwall Soho2

2002-01-10 Thread Jason Yuan
I have a soho(1) and I noticed the same thing. I can use the box either as a bridge type of configuration, or rely on the built-in NAT if I want to use a different network address on the inside. The question I have is that what is the security implication of a bridge type of device vs. a router

Linux Host Based IDS

2002-01-04 Thread Jason Yuan
I am looking for a free Host Based IDS for Linux. The only thing I have found is Snare. What do you think of it and what else would you recommend? Jason passmeJason YuanSecurity ConsultantNiles AssociatesDo You Yahoo!? Send FREE video emails in Yahoo! Mail.

Re: FW-1 - How to re-install on Nokia

2001-10-18 Thread Jason Yuan
Gordon, 1)If you have trouble loading policies, you can first try to unload it with #fw unload localhost. 2)To install new package (FW 4.1, or NG), go to your Nokia Console, and excute: #/etc/newpkg and then go to voyager / manage installed package / turnthe right package on / apply 3) what HA

Re: Multiple Clients

2001-10-10 Thread Jason Yuan
Granted, on the firewall log, you can see different source ports coming from the same IP addresses. Hopefully, your proxy does have a detailed enough log that can tell you which original IP/source port got forwarded (I guess I can not use the word TRANSLATED) by the proxy. The question is, do you

check for Stateful Inspection

2001-10-05 Thread Jason Yuan
Check Point has patented Stateful Inspection technology way back in 1993. Their products have matured over the years. They undoubtly have the largest market share. During the last few years, there are plenty of vendors that step up to the plate selling firewalls and VPNs. Almost all of them claim

Re: check for Stateful Inspection

2001-10-05 Thread Jason Yuan
the firewall toforge a packet using same ip, same port but differnt seq or ack numbers.Thisshould semi test HTTP. Then you will probably want to check ftp and thenmove on to more difficult protocols. On Fri, 5 Oct 2001, Jason Yuan wrote: Check Point has patented Stateful Inspection technology way back

VPN3000 client to Pix: what's up with VPN POOL?

2001-10-03 Thread Jason Yuan
Hi, I have tried to configured a VPN3000 client configuration to my Pix as an evaluation process; I think I have got the client configured. (CLI is no easy task for me; needless to say the debugging nightmare) I am now able to connect to the network behind the pix via a VPN tunnel. However, when