Help wanted on port scanner

Greetings all, I've got a port scanner that I built with my own two little hands. It is built on top of libpcap and also libnet. It works just fine, some of the time. It's what it does the rest of the time that bothers me. This is a simple-minded sort of port scanner that performs essentially

Re: Changes to PCBPORTHASH wrt TCP, review needed

On Tue, 28 Oct 2003, Mike Silbersack wrote: > It's very possible that bind will return a port which can't be used > because it's already in use for that destination lport-laddr-fport-faddr > tuple, so the connect will fail with EADDRINUSE. > > So, it looks like I can't solve this so simply... loo

Re: (long) Re: Using racoon-negotiated IPSec with ipfw and natd

On Fri, Oct 31, 2003 at 09:45:25AM -0600, Mark Johnston wrote: > "Crist J. Clark" <[EMAIL PROTECTED]> wrote: > > On Thu, Oct 30, 2003 at 03:05:09PM -0600, Mark Johnston wrote: > > > - gateway receives an ESP packet from mobile (encapsulating a ping). > > > - gateway decrypts and transmits an ICMP p

Re: iMac and FreeBSD performance problems

Even though on Fri, Oct 31, 2003 at 01:01 Keith Mitchell realized that everything he says should be taken cum grano salis, he unhesitatingly continued with this missive: > I'm trying to figure out why my FreeBSD box and my iMac are having > trouble communicating at 100 Mbs full-duplex. > To

Re: iMac and FreeBSD performance problems

Anthony Anderberg wrote: the iMac to a 10BT hub instead of the ethernet switch then everything seems to work fine as well. The iMac can talk to all the other equipment without a problem when its connected to the ethernet switch. Likewise Sounds like a duplex mis-match, which is especially

Re: iMac and FreeBSD performance problems

> the iMac to a 10BT hub instead of the ethernet switch then everything > seems to work fine as well. The iMac can talk to all the other equipment > without a problem when its connected to the ethernet switch. Likewise Sounds like a duplex mis-match, which is especially common with unmanaged sw

(long) Re: Using racoon-negotiated IPSec with ipfw and natd

"Crist J. Clark" <[EMAIL PROTECTED]> wrote: > On Thu, Oct 30, 2003 at 03:05:09PM -0600, Mark Johnston wrote: > > - gateway receives an ESP packet from mobile (encapsulating a ping). > > - gateway decrypts and transmits an ICMP packet to internal with mobile's > > source address. > > - internal ge

Re: ipsec tunnels & packet length issues

> "Lars" == Lars Eggert <[EMAIL PROTECTED]> writes: Hello Lars, Lars> See the section on PMTU discovery in draft-touch-ipsec-vpn-06. If Lars> the requirements of your setup allow is, IPIP gif tunnels Lars> together with IPsec transport mode (as described in the ID) can Lars> address this

Network stack cloning / virtualization patches for 4.9-RELEASE

A new snapshot of network stack cloning patchset against 4.9-RELEASE kernel can be found at the usual place: http://www.tel.fer.hr/zec/vimage/ What's new: - support for independent IP multicast routing / forwarding in each network stack / virtual image; - virtual images can now be deleted more

mpd reports : LCP: protocol 0x2145 was rejected

Hello, I am trying to get mpd ( Version 3.14) to work on my freebsd ( 4.7-RELEASE FreeBSD 4.7-RELEASE #1: Wed Jan 29 10:02:01 CET 2003) to work with a Servgate SG100. The Servgate needs to connect to the FreeBSD server and a pptp client and i get the error in subject. On google i found that this er

Re: ppp link always dials when started with -auto?

Just a follow up... I forgot to mention that I also did a tcpdump on tun0 as the link comes up - it shows no packets sent or received. From my limited knowledge of ppp negotiation, it looks like the link is being brought up but nothing is being sent over it. I also did a ktrace on ppp that didn'