Re: [pfSense-discussion] block vs reject?

2005-09-29 Thread christiaan
Tommaso Di Donato wrote: Hi guys! If you really wan to slow down a remote portscan (or os fingerprinting), in my own opinion the only very useful way is tarpitting.. Tarpit is an extension of linux iptables/netfilter.. http://www.securityfocus.com/infocus/1723 Does anybody know if there is t

Re: [pfSense-discussion] block vs reject?

2005-09-29 Thread Tommaso Di Donato
Hi guys! If you really wan to slow down a remote portscan (or os fingerprinting), in my own opinion the only very useful way is tarpitting.. Tarpit is an extension of linux iptables/netfilter..  http://www.securityfocus.com/infocus/1723 Does anybody know if there is the same thing for pf?

Re: [pfSense-discussion] block vs reject?

2005-09-29 Thread Travis H.
On 9/26/05, Greg Hennessy <[EMAIL PROTECTED]> wrote: > > so its safe to assume that internet -> WAN stuff should be > > blocked. but for internal access between my LAN/OPT > > interfaces and outbound WAN i can use reject and it wouldn't > > be considered bad form? Hmm, rejecting on the outbound W

RE: [pfSense-discussion] block vs reject?

2005-09-26 Thread Greg Hennessy
> At 12:24 PM 9/26/2005, you wrote: > >Something I have noticed, is that playing ball on the internet > >interface has reduced the amount of scanning traffic significantly. > > Greg, that's interesting. Do you have any theories as to why? I've given that some thought and had one or two discus

RE: [pfSense-discussion] block vs reject?

2005-09-26 Thread Dan Swartzendruber
At 12:24 PM 9/26/2005, you wrote: Something I have noticed, is that playing ball on the internet interface has reduced the amount of scanning traffic significantly. Greg, that's interesting. Do you have any theories as to why?

RE: [pfSense-discussion] block vs reject?

2005-09-26 Thread Greg Hennessy
> so its safe to assume that internet -> WAN stuff should be > blocked. but for internal access between my LAN/OPT > interfaces and outbound WAN i can use reject and it wouldn't > be considered bad form? Not at all. It's something I insist on when managing production firewalls of whatever hu

Re: [pfSense-discussion] block vs reject?

2005-09-25 Thread Chris Buechler
Matthew Lenz wrote: so its safe to assume that internet -> WAN stuff should be blocked. but for internal access between my LAN/OPT interfaces and outbound WAN i can use reject and it wouldn't be considered bad form? Under most circumstances, yes, that's correct.

Re: [pfSense-discussion] block vs reject?

2005-09-25 Thread Matthew Lenz
Matthew Lenz wrote: Just had a situation where a backend job was hanging because it couldn't get to an ip. the tcp connect just kinda hung and this particular software module had a really long timeout set. Is there a reason why for example there is a global block in pfsense as opposed to a g

Re: [pfSense-discussion] block vs reject?

2005-09-24 Thread Chris Buechler
A Rossi wrote: I've narrowed it down to 2 possible sites: http://www.auditmypc.com/ and https://www.grc.com/x/ne.dll?bh0bkyd2 neither gave me anything out of the ordinary behind m0n0wall or pfsense. first one found my private IP address **GASP** Oh no!;) -cmb

Re: [pfSense-discussion] block vs reject?

2005-09-23 Thread A Rossi
I've narrowed it down to 2 possible sites: http://www.auditmypc.com/ and https://www.grc.com/x/ne.dll?bh0bkyd2 - Original Message - From: "Chris Buechler" <[EMAIL PROTECTED]> To: Sent: Friday, September 23, 2005 12:54 PM Subject: Re: [pfSense-discussion] block

Re: [pfSense-discussion] block vs reject?

2005-09-23 Thread Chris Buechler
never heard of any tests trying for that. maybe your ISP dropping some ports (135-139, 445, etc. are common) and rejecting them and it saw the unreachables as you connecting back? Hard telling, sounds like a buggy testing tool to me though. if you can recall what site it is, I'll check it ou

Re: [pfSense-discussion] block vs reject?

2005-09-23 Thread A Rossi
r" <[EMAIL PROTECTED]> To: Sent: Friday, September 23, 2005 12:23 PM Subject: Re: [pfSense-discussion] block vs reject? > Matthew Lenz wrote: > > >Just had a situation where a backend job was hanging because it couldn't > >get to an ip. the tcp connect just kinda hu

Re: [pfSense-discussion] block vs reject?

2005-09-23 Thread Chris Buechler
Matthew Lenz wrote: Just had a situation where a backend job was hanging because it couldn't get to an ip. the tcp connect just kinda hung and this particular software module had a really long timeout set. Is there a reason why for example there is a global block in pfsense as opposed to a glo

[pfSense-discussion] block vs reject?

2005-09-23 Thread Matthew Lenz
Just had a situation where a backend job was hanging because it couldn't get to an ip. the tcp connect just kinda hung and this particular software module had a really long timeout set. Is there a reason why for example there is a global block in pfsense as opposed to a global reject (which seems