TPROXY

2002-03-14 Thread Jean-Michel Hemstedt
hello, - is there any update regardingTPROXY since 13/Feb/2002? -is TPROXY intended to replace 'slessdir' and 'IP_INTERCEPT'? - will it be included in the kernel someday (which version?)? - does it provide the definitive patch fornonlocal binding? - are there examples on how to use it?

Re: TPROXY

2002-03-19 Thread Jean-Michel Hemstedt
- Original Message - From: Balazs Scheidler [EMAIL PROTECTED] To: Jean-Michel Hemstedt [EMAIL PROTECTED] Sent: Tuesday, 19 March, 2002 08:50 Subject: Re: TPROXY On Wed, Mar 13, 2002 at 01:19:30PM +0100, Jean-Michel Hemstedt wrote: hello, I'm quite new to netfilter, and I would

Re: [Q] connection tracking scaling

2002-03-19 Thread Jean-Michel Hemstedt
- Original Message - From: Patrick Schaaf [EMAIL PROTECTED] To: Harald Welte [EMAIL PROTECTED]; Patrick Schaaf [EMAIL PROTECTED]; Martin Josefsson [EMAIL PROTECTED]; Aviv Bergman [EMAIL PROTECTED]; [EMAIL PROTECTED] Sent: Tuesday, 19 March, 2002 12:16 Subject: Re: [Q] connection tracking

Re: [Q] connection tracking scaling

2002-03-19 Thread Jean-Michel Hemstedt
- Original Message - From: Patrick Schaaf [EMAIL PROTECTED] To: Jean-Michel Hemstedt [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Tuesday, 19 March, 2002 17:42 Subject: Re: [Q] connection tracking scaling Hello Jean-Michel, thanks for your input. I appreciate it. On Tue, Mar 19

Re: TPROXY

2002-03-20 Thread Jean-Michel Hemstedt
Nordstrom [EMAIL PROTECTED] To: Jean-Michel Hemstedt [EMAIL PROTECTED]; Balazs Scheidler [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Sent: Wednesday, 20 March, 2002 00:12 Subject: Re: TPROXY [cannot claim I have been following the thread closely, mostly guessing on what you are actually trying to acheive

Re: TPROXY

2002-03-27 Thread Jean-Michel Hemstedt
On Wed, Mar 27, 2002 at 10:15:56AM +0100, Henrik Nordstrom wrote: On Tuesdayen den 26 March 2002 16.33, Balazs Scheidler wrote: Providing a client certificate to the server is not very common, if it is required a tunnel can be opened to that _specific_ server, and nothing else.

performance issues (nat / conntrack)

2002-06-20 Thread Jean-Michel Hemstedt
dear netdevels, I'm doing some tcp benches on a netfilter enabled box and noticed huge and surprising perf decrease when loading iptable_nat module. - ip_conntrack is of course also loading the system, but with huge memory and a large bucket size, the problem can be solved. The big issue with

Re: performance issues (nat / conntrack)

2002-06-23 Thread Jean-Michel Hemstedt
I know this debate is not new... I just didn't expect such a (90% see below) perf drop, and unavailablity risk. That's why I'm only reporting it, hoping secretly that experienced hackers will consider it seriously. ;o) Note: I don't want to play with words, but if you prefer, consider

Re: performance issues (nat / conntrack)

2002-06-23 Thread Jean-Michel Hemstedt
I'm doing some tcp benches on a netfilter enabled box and noticed huge and surprising perf decrease when loading iptable_nat module. Rather similar to the results I posted about a week ago. oops, sorry, it seems we performed our tests at the same time ;o) - Another (old) question:

Re: performance issues (nat / conntrack)

2002-06-25 Thread Jean-Michel Hemstedt
-0700, Don Cohen wrote: From: Jean-Michel Hemstedt [EMAIL PROTECTED] Since in my test, each connection is ephemeral (10ms) ... One question here is whether the traffic generator is acting like a real set of users or like an attacker. A real user would not keep trying to make

Re: performance issues (nat / conntrack)

2002-06-25 Thread Jean-Michel Hemstedt
loading a module, doesn't mean using it (lsmod reports it as 'unused' in my tests). So, does it really 'sounds as expected', when you see From where do you think that the module usage counter reports how many packets/connections are handled (currently? totally?) by the module. There is

Re: conntrack hash function

2002-06-25 Thread Jean-Michel Hemstedt
hi, just FYI, hash was already discussed in a previous thread: 'connection tracking scaling' [19 March 2002] sorry if you were aware of it. From: Jean-Michel Hemstedt [EMAIL PROTECTED] 98 static inline u_int32_t 99 hash_conntrack(const struct ip_conntrack_tuple *tuple) 100

Re: performance issues (nat / conntrack)

2002-06-26 Thread Jean-Michel Hemstedt
(strange thing is that ethernet irq's reported by procinfo are decreasing when the machine is overloaded. It suppose that it means either that irq's are not even caught by the kernel/driver, which is quite worrying, or either that irq's counters refer to 'processessed'

FYI: QUEUE ipqmpd bugs

2002-07-05 Thread Jean-Michel Hemstedt
FYI, I upgraded to iptables-1.2.6a (user kernel-2.4.18 patches) and got the following (maybe known) problems: - QUEUE target is NOK with kernel compiled with CONFIG_IP_NF_QUEUE=m = the packets are queued, but ipq_create_handle() returns can't create netlink socket ERROR: Unable to