Re: Checking behind the wall

2001-06-07 Thread Javier Fernandez-Sanguino Peña
> I was thinking of setting up a scanner (strobe/nmap/...?) to > automatically do a scan from a cron and mail the results to me. However, > is there any existing framework like this that I could leverage? > Nessus can be tweaked to be able to report on a daily basis, its reports (includi

Strange system events

2001-06-07 Thread Steve Doerr
I am hoping someone here can help shed some light on some strange system events that I saw between snort and logcheck on my firewall/router. After seeing the following log, I opened my logcheck.sh file and saw the garbage in the file that shows up in my log. I closed it and went to my other box t

RE: a FISH?!?!

2001-06-07 Thread Alex Swavely
5 legs? The author of that one ought to take biology one more time.. > -Original Message- > From: Adam Olsen [mailto:[EMAIL PROTECTED] Behalf Of > Adam Olsen > Sent: Sunday, June 03, 2001 1:37 AM > To: debian-security@lists.debian.org > Subject: Re: a FISH?!?! > > > On Sun, Jun 03, 2001

Re: 'locate' does not check permissions

2001-06-07 Thread Pedro Zorzenon Neto
'slocate' is what I needed. Since this computer is turned off at night, cron will not run slocate updates. so I put a line in root's crontab: @reboot sleep 1200; /usr/bin/nice -n 19 /etc/cron.daily/slocate That makes my slocate database always updated. Thanks for everybody. Pedro On

bogus packet size. did I get DoSed?

2001-06-07 Thread Miquel Mart?n L?pez
Hi all, Without no apparent reason, I started receiving thousands of packets to one of the interfaces. The network card is an rtl8029, and I logged between 70 and 80.000 packacges per second. They all where too big to be ethernet packets, and they were reported by the kernel as: Jun 4 12:20:15 ne

Re: MASQUERADE problem

2001-06-07 Thread Aleksander Iwanski
Hi. U're using kernel version 2.4.x, and iptables - so thereis no support for command ipchains -M -L, and netstat -M ip_masquerade entries are in /proc/net/ip_conntrack and I don't know how to list them by utility ( maybye ipnatctrl ) Best regards -- Aleksander Iwanski <[EMAIL PROTECTED]>

Re: Web Server firewall help

2001-06-07 Thread Tim Uckun
At 12:10 AM 6/5/2001 -0500, Eric LaMunyon wrote: Does anyone have a basic iptables script for a webserver with direct connection to the internet(1 nic), that blocks most dos, ping of death, etc? Anything would be helpful. http://muse.linuxmafia.org/gshield.html http://www.tlsecurity.net/uni

Web Server firewall help

2001-06-07 Thread Eric LaMunyon
Does anyone have a basic iptables script for a webserver with direct connection to the internet(1 nic), that blocks most dos, ping of death, etc? Anything would be helpful.

Re: Help needed on MASQUERADE

2001-06-07 Thread Jose Celestino
On Sun, Jun 03, 2001 at 11:39:29PM +0200, Luc MAIGNAN wrote: > HI all, > > I have an internet connection on eth0 (10.0.0.1) and a private network > connection on eth1 (192.168.0.1). > > I put the masquerade configuration on a kernel 2.4.4 : > > iptables -t nat -s 192.168.0.0/24 -o ppp0 -

Re: Web Server firewall help

2001-06-07 Thread Eric LaMunyon
Thanks for your help! ~Eric --- Eric LaMunyon <[EMAIL PROTECTED]> wrote: > Does anyone have a basic iptables script for a > webserver with direct > connection to the internet(1 nic), that blocks most > dos, ping of death, > etc? > > Anything would be helpful. > > > > > -- > To UNSUBSCRIBE

Re: Web Server firewall help

2001-06-07 Thread Alvin Oga
hi ya eric i've been collecting example scripts and docs... http://www.Linux-Sec.net/firewall.gwif.html - check the various iptable howto too c ya alvin On Tue, 5 Jun 2001, Tim Uckun wrote: > At 12:10 AM 6/5/2001 -0500, Eric LaMunyon wrote: > >Does anyone have a basic iptables scrip

Re: 'locate' does not check permissions

2001-06-07 Thread Pedro Zorzenon Neto
'slocate' is what I needed. Since this computer is turned off at night, cron will not run slocate updates. so I put a line in root's crontab: @reboot sleep 1200; /usr/bin/nice -n 19 /etc/cron.daily/slocate That makes my slocate database always updated. Thanks for everybody. Pedro O

Strange system events

2001-06-07 Thread Steve Doerr
I am hoping someone here can help shed some light on some strange system events that I saw between snort and logcheck on my firewall/router. After seeing the following log, I opened my logcheck.sh file and saw the garbage in the file that shows up in my log. I closed it and went to my other box to

Help for iptables

2001-06-07 Thread Luc MAIGNAN
Hi all, I want to upgrade my iptables package. Currently I use version 1.1.2. I went to the Rusty's web site to download the latest version. I installed it as the ReadMe told me. All seemed to be ok, but iptables always give me the same version. Any idea ?

Re: Web Server firewall help

2001-06-07 Thread Leonard Leblanc
Check out the firewall building tool at http://www.linux-firewall-tools.com/linux/firewall/index.html Leonard Leblanc Webmaster / Intranet Administrator www.emergeknowledge.com - Original Message - From: "Eric LaMunyon" <[EMAIL PROTECTED]> To: Sent: Monday, June 04, 2001 10:10 PM Subje

Re: Help for iptables

2001-06-07 Thread Robert Davidson Security
I'm guessing that whats happened is you still have the old version installed, which the shell will find in your path first, and the iptables you have installed will be in /usr/local somewhere. Cya. On Wed, Jun 06, 2001 at 12:41:25AM +0200, Luc MAIGNAN wrote: > Hi all, > > I want to upgrade m

Re: checking memory

2001-06-07 Thread Peter Cordes
On Fri, Jun 01, 2001 at 08:24:51AM -0300, Pedro Zorzenon Neto wrote: > On Fri, Jun 01, 2001 at 09:21:19AM +0200, Philipp Schulte wrote: > > I was thinking of bad memory that might cause this behaviour. > > Helping about checking memory: > Install package 'hwtools' > Put a blank, formatted flop

Linux box vs black box

2001-06-07 Thread Mathias Bocquet
Hi everyone. This is perhaps off topics, but I'm searching for external opinions about firewalls ; 1 - a linux box with kernel 2.4.x and netfilter/NAT 2 - a linux box with a commercial firewall product 3 - an integrated firewall you don't know much about what it is made of For my own, I prefer t

Re: Linux box vs black box

2001-06-07 Thread Tim Haynes
Mathias Bocquet <[EMAIL PROTECTED]> writes: > This is perhaps off topics, but I'm searching for external opinions about > firewalls ; > > 1 - a linux box with kernel 2.4.x and netfilter/NAT > 2 - a linux box with a commercial firewall product > 3 - an integrated firewall you don't know much about

Re: Linux box vs black box

2001-06-07 Thread Eric N. Valor
At 04:37 PM 6/7/2001 +0200, Mathias Bocquet wrote: Hi everyone. This is perhaps off topics, but I'm searching for external opinions about firewalls ; 1 - a linux box with kernel 2.4.x and netfilter/NAT Currently using this, albeit with a 2.2.X kernel and IPChains (upgrade planned and slowly

Re: 'locate' does not check permissions

2001-06-07 Thread Jim Breton
On Thu, Jun 07, 2001 at 06:57:18PM -0300, Pedro Zorzenon Neto wrote: >$ locate private | grep "/home/pzn/private" > the whole contents of my private dir suddenly appears here... Did you run "updatedb" as root anytime recently? Notice that by default, this command is run (from cron) as us

Re: 'locate' does not check permissions

2001-06-07 Thread Peter Cordes
On Thu, Jun 07, 2001 at 05:21:52PM -0600, Hubert Chan wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > > "Pedro" == Pedro Zorzenon Neto <[EMAIL PROTECTED]> writes: > > Pedro> Hi list, I created a directory /home/pzn/private/ and chmod it > Pedro> go-rwx to put my private things.

Re: Linux box vs black box

2001-06-07 Thread Hubert Chan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > "Mathias" == Mathias Bocquet <[EMAIL PROTECTED]> writes: Mathias> Hi everyone. This is perhaps off topics, but I'm searching for Mathias> external opinions about firewalls ; [cut] "The most secure system is the one that you understand the bes

Re: 'locate' does not check permissions

2001-06-07 Thread Hubert Chan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > "Pedro" == Pedro Zorzenon Neto <[EMAIL PROTECTED]> writes: Pedro> Hi list, I created a directory /home/pzn/private/ and chmod it Pedro> go-rwx to put my private things. Then nobody can see the Pedro> contents and files of this directory, right?

'locate' does not check permissions

2001-06-07 Thread Pedro Zorzenon Neto
Hi list, I created a directory /home/pzn/private/ and chmod it go-rwx to put my private things. Then nobody can see the contents and files of this directory, right? I've believed it was true, but other user can do: $ ls -l ~pzn/ ... drwx--S--- 20 pzn pzn 4096

Re: 'locate' does not check permissions

2001-06-07 Thread Jim Breton
On Thu, Jun 07, 2001 at 06:57:18PM -0300, Pedro Zorzenon Neto wrote: >$ locate private | grep "/home/pzn/private" > the whole contents of my private dir suddenly appears here... Did you run "updatedb" as root anytime recently? Notice that by default, this command is run (from cron) as u

Re: 'locate' does not check permissions

2001-06-07 Thread Peter Cordes
On Thu, Jun 07, 2001 at 05:21:52PM -0600, Hubert Chan wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > > "Pedro" == Pedro Zorzenon Neto <[EMAIL PROTECTED]> writes: > > Pedro> Hi list, I created a directory /home/pzn/private/ and chmod it > Pedro> go-rwx to put my private things.

'locate' does not check permissions

2001-06-07 Thread Pedro Zorzenon Neto
Hi list, I created a directory /home/pzn/private/ and chmod it go-rwx to put my private things. Then nobody can see the contents and files of this directory, right? I've believed it was true, but other user can do: $ ls -l ~pzn/ ... drwx--S--- 20 pzn pzn 4096

Re: 'locate' does not check permissions

2001-06-07 Thread Hubert Chan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > "Pedro" == Pedro Zorzenon Neto <[EMAIL PROTECTED]> writes: Pedro> Hi list, I created a directory /home/pzn/private/ and chmod it Pedro> go-rwx to put my private things. Then nobody can see the Pedro> contents and files of this directory, right

Re: Linux box vs black box

2001-06-07 Thread Hubert Chan
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 > "Mathias" == Mathias Bocquet <[EMAIL PROTECTED]> writes: Mathias> Hi everyone. This is perhaps off topics, but I'm searching for Mathias> external opinions about firewalls ; [cut] "The most secure system is the one that you understand the be

Re: Linux box vs black box

2001-06-07 Thread Eric N. Valor
At 04:37 PM 6/7/2001 +0200, Mathias Bocquet wrote: >Hi everyone. > >This is perhaps off topics, but I'm searching for external opinions >about firewalls ; > >1 - a linux box with kernel 2.4.x and netfilter/NAT Currently using this, albeit with a 2.2.X kernel and IPChains (upgrade planned and slo

Re: Linux box vs black box

2001-06-07 Thread Tim Haynes
Mathias Bocquet <[EMAIL PROTECTED]> writes: > This is perhaps off topics, but I'm searching for external opinions about > firewalls ; > > 1 - a linux box with kernel 2.4.x and netfilter/NAT > 2 - a linux box with a commercial firewall product > 3 - an integrated firewall you don't know much abou

Linux box vs black box

2001-06-07 Thread Mathias Bocquet
Hi everyone. This is perhaps off topics, but I'm searching for external opinions about firewalls ; 1 - a linux box with kernel 2.4.x and netfilter/NAT 2 - a linux box with a commercial firewall product 3 - an integrated firewall you don't know much about what it is made of For my own, I prefer