I need help troubleshooting a problem with a Ubuntu Linux machine that should accept ssh connection through a Kerberos ticket.
The kinit [username] is successful and klist report the presenc...
Fedora C2.
I need to encrypt a file received by a CGI script and be able to decrypt it later. I need these processes automated.
I have made the following test script that I hoped would do bo...
I'm running Linux 2.6 (Ubuntu). I'm trying to secure my system so that only LAN access to SSH is possible. I've read from numerous sources that this is achieved simply by adding an AllowHost...
Hi all,
I have a client that wants to set up an automated process to get and retrieve files from our ssh server without being prompted for passwords. So I got their ssh key and set it up. A...
I just executed following commands on my command prompts.
iptables -I INPUT 1 -p tcp --dport 80 -m string --string "linuxhq.com" --algo kmp -j DROP
iptables -I INPUT 1 -p tcp --dport 80 -m s...
OK, I've read a lot about this option and still can't quite figure out it's practical use. What does it do?! I'm currently trying to filter pings, only allowing one machine to ping the one ipt...
Hello,
I need to write a Perl script (to run on a Linux server node) that intercepts all syslog messages from a Linux client node, e.g. generated from its firewall, etc.
1) Usually, wi...
Hi
I am trying to use iptables on my Debian 4.0 server to restrict the number of parallel TCP connections from a particular host. So I can say allow only 10 concurrent http connections from...
Okay, this is a bit of a re-design of my previous question, as that turned up bust.
I have a RHEL4 machine set up as an IWSS server, currently as a proxy. Major problem is, people are just ...
I've setup Kerberos authentication on a Linux box to authenticate users against an Active Directory domain. It is working, however, for each domain user that authenticates I get the following...
Am running RHEL4 on Dell PowerEdge servers 2850, 2950 & 6850.
Want to initiate the use of pam_tally to protect these systems from potential crackers attempting to find a password. My concern...
Hi,
Running SLES 10 on my test machine. Having trouble accessing the server remotely with the firewall turned on. I have allowed the following services on Network interface (External Zone...
Dear all,
I am facing a problem in .bash_history logging.
By default, my system will log user command history and save to each user's .bash_history file.
Now I am replying to auditor com...
Hi,
What's the exact difference between su and sudo?
What if the hacker gets the account password of a user who has sudo privilege?
After getting the sudo access, the hacker can use
...
Internal network 10.0.0.0
Suse Linux Server on 10.0.0.9
OpenSSH running on 10.0.0.9 on port 10022
OpenSSH RSA Auth, no password login, no root login
Speedtouch 608 NAT router currently for...
I had an ssh connection open using putty but lost my connection (i was logged in as root at the time). can i open a new connection and "open up and view" my prior one? Sorry, I don't know the ...
how to limit concurrent access to httpd server from same ip ? i have sometimes incoming scans or dos .... and they open a bunch of concurrent sessions to my httpd server ... how do i limit th...
Dear Sir/Madam:
I have redhat enterprise linux version 5 working as a samba pdc , configured the same with the acl feature , now for the few samba share i want to give full control (rwx) b...
I am using Linux 9.0 & squid as an Internet Gateway with two network cards eth0 (public IP) and eht1(Private IP) and Exchange2000 as an e-mail server which is on private IP. By using IPtables ...
I am trying to connect to my Fedora 4 machine using putty.exe on my XP machine within my home lan. I've had no problems connecting over ssh to my other computers that were running cygwin. The ...
Hello,
When i try to install Snort in my box CentOS 4.6, i got this error :
error: Failed dependencies:
libpcap.so.0.9.4 is needed by snort-2.8.0.1-1.i386
rtld(GNU_HASH...
I have 2 server. Between Server A and B there is a firewall...but the firewall is set to be open from A to B and vice versa. As below output...Server A can authenticate to Server B but unable ...
I'm trying to redirect port 80 to port 8080 using iptables. I'm running Debian 4.
So, I type:
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080
But I...
I saw in another area something about using Linux for finding IP adresses. How can someone do this?
The follwoing below is my host.deny file. My settings for this as shows below. I would like to ask if this is a secure setting is I want to secure my system.
# /etc/hosts.deny
# See 'man t...
