Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to anyestablished

2006-11-11 Thread Alexander Leidinger
Quoting "R. B. Riddick" <[EMAIL PROTECTED]> (from Sat, 11 Nov 2006 11:00:49 -0800 (PST)): --- "Julian H. Stacey" <[EMAIL PROTECTED]> wrote: I tried adding ${fwcmd} add pass tcp from any to any established from src/etc/rc.firewall case - simple. Which solved it. But I was scared, not u

Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread Giorgos Keramidas
On 2006-11-11 17:08, "Julian H. Stacey" <[EMAIL PROTECTED]> wrote: > Hi security@ list, > In my self written, large ipfw rule set, I had something that passed > http to allow me to browse most but not all remote sites. For years > I assumed the few sites I had difficulty with were cases pppoed MTU

Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread Dan Lukes
R. B. Riddick napsal/wrote, On 11/11/06 20:33: Statefull rules can stop the sophisticated intruder, but are often more vulnerable to DoS attacks. Hmm... U mean, when someone creates a lot of states? At least pf can limit that... Yes. "Limit" mean - some packet (connections, state

Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread R. B. Riddick
--- Dan Lukes <[EMAIL PROTECTED]> wrote: > Statefull rules can stop the sophisticated intruder, but are often more > vulnerable to DoS attacks. > > Every method has pros and cons ... > Hmm... U mean, when someone creates a lot of states? At least pf can limit that... But here it look

Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread Dan Lukes
R. B. Riddick napsal/wrote, On 11/11/06 20:00: But I was scared, not undertstand what the established bit did, & how easily an attacker might fake something, etc. ... Should I still be worrying aboutestablished ? Hmm... I personally use "check-states" and "keep-state", so that it is

Re: src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread R. B. Riddick
--- "Julian H. Stacey" <[EMAIL PROTECTED]> wrote: > I tried adding > ${fwcmd} add pass tcp from any to any established > from src/etc/rc.firewall case - simple. Which solved it. > But I was scared, not undertstand what the established bit did, & > how easily an attacker might fake something,

src/etc/rc.firewall simple ${fw_pass} tcp from any to any established

2006-11-11 Thread Julian H. Stacey
Hi security@ list, In my self written, large ipfw rule set, I had something that passed http to allow me to browse most but not all remote sites. For years I assumed the few sites I had difficulty with were cases pppoed MTU != 1500, from not having installed tcpmssd on my 4.*-RELEASE, but then runn