Re: open ports remaining

To quote Glenn Becker [EMAIL PROTECTED], # # All, # # I have been trying to secure my Debian box, which enjoys a DSL # connection. I've been going through /etc/inetd.conf, commenting out # services, and K'ing others in the /etc/rc2.d/, until what I have left is # the following (output from

Re: iptables rules and open ports

: Monday, February 12, 2001 11:33 PM Subject: iptables rules and open ports I have stand alone workstation withour any network, so I am trying to keep all ports close. I run kernel 2.4 with iptables. Recent scaning (by www.dslreports.com) shows that ports 13,22,37 and 9 are open. Any

Re: iptables rules and open ports

not using them, stop the services or uninstall the packages that are launching them. - Original Message - From: Vadim Kutsyy [EMAIL PROTECTED] To: Debian User debian-user@lists.debian.org Sent: Monday, February 12, 2001 11:33 PM Subject: iptables rules and open ports I have stand

Re: iptables rules and open ports

Vadim Kutsyy wrote: Jason, good idea. I took care about ssh (removed all [K,S]20ssh). Hoever I have no clue what to do with aother ports. port 13: daytime port 37: time port 9: discard Any ideas? Thanks. Those are started by inetd.Comment them in /etc/inetd.conf then ,as root

Re: iptables rules and open ports

port 13: daytime port 37: time port 9: discard Any ideas? Thanks. Those are started by inetd.Comment them in /etc/inetd.conf then ,as root /etc/init.d/inetd restart Thanks, and last question: How to make my computer not pingable? Thanks.

Re: iptables rules and open ports

How to make my computer not pingable? As root, echo 1 /proc/sys/net/ipv4/icmp_echo_ignore_all I don't know what other problems this may lead to, if any, though... Regards Hall

Re: iptables rules and open ports

Check out the packet filtering howto: http://netfilter.samba.org/unreliable-guides/packet-filtering-HOWTO/index.html Section 7 covers fun stuff like avoiding ping-o-death syn-flooding. Wil --- Hall Stevenson [EMAIL PROTECTED] wrote: How to make my computer not pingable? As root, echo

Re: iptables rules and open ports

Wil Reichert wrote: http://netfilter.samba.org/unreliable-guides/packet-filtering-HOWTO/index.html Section 7 covers fun stuff like avoiding ping-o-death syn-flooding. I've seen it (I used Section 5 to create my rules). However, my computer is stand alone workstation without any servers, but

iptables rules and open ports

I have stand alone workstation withour any network, so I am trying to keep all ports close. I run kernel 2.4 with iptables. Recent scaning (by www.dslreports.com) shows that ports 13,22,37 and 9 are open. Any recomendation on how to close them? Thanks. My iptables rulles:

Re: iptables rules and open ports

, 2001 11:33 PM Subject: iptables rules and open ports I have stand alone workstation withour any network, so I am trying to keep all ports close. I run kernel 2.4 with iptables. Recent scaning (by www.dslreports.com) shows that ports 13,22,37 and 9 are open. Any recomendation on how to close

Open ports security

against my machine, and I've come down to just a few open ports left that I have at least mild concern about. They are: 9 discard 13 daytime 37 time 111 sunrpc Now, I know that 9 will just throw away anything it gets, and that 13 and 37 just return the time (in one

Re: Open ports security

On Fri, Jan 26, 2001 at 08:28:51AM -0600, Brooks R. Robinson wrote: But what about 111? Something in my gut says that remote procedure call can't be all that good. NIS and NFS need sunrpc (aka portmapper) running on the server, but you should be able to shut it off if you're not using either

Re: Open ports security

On Fri, Jan 26, 2001 at 08:28:51AM -0600, Brooks R. Robinson wrote: machine, and I've come down to just a few open ports left that I have at least mild concern about. They are: 9 discard 13daytime 37time 111 sunrpc Now, I know that 9 will just throw away anything

RE: Open ports security

Port 111 is the portmap daemon, used by NFS and NIS (anything else?). It doesn't look like you're using NFS or NIS (if so you'd have other ports open) so you can probably shut it off. If you do want to keep it on, it might be worth it to use something like ipchains or iptables to filter

RE: Open ports security

I am not using NFS or NIS, and I have started to hunt down how/where to turn off portmap. Hmmm... I check out things in /etc/init.d. Ahh... mountnfs.sh! But wait! I read through the script It shouldn't be on! There's nothing to turn it on. You know, I should really look at the

closing open ports

i just did an nmap to a machine i'm servicing and i have 2 open ports that i cannot account for. they are: PortState Protocol Service 781 opentcphp-collector 779 openudpunknown looking at /etc/services 779/udp

Re: closing open ports

On Sun, Dec 03, 2000 at 04:31:18AM -0500, [EMAIL PROTECTED] wrote: i just did an nmap to a machine i'm servicing and i have 2 open ports that i cannot account for. they are: PortState Protocol Service 781 opentcphp-collector 779 open

open ports

Hi all, I made a 'netstat -a --inet', and it returns me 3 ports I don't know opened: tcp 00 *:sunrpc *.*LISTEN udp 00 *:sunrpc *.* raw 00 *:1 *.* raw 00 *:6 *.* Is it normal? Am

Re: open ports (1/2 oops!)

On Sun, Nov 21, 1999 at 10:58:16AM +0100, Jean-Yves BARBIER wrote: I was also returned an 'imap2' opened port??? I did not installed such a package (in fact it was purged long ago). Why is it still present? Sorry, forget about this one, it was still opend by inetd. JY -- Jean-Yves F. Barbier

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