2000 organizations, including eBay, Ericsson, and Lockheed Martin, now work smarter with Corporate Accounts. Save over 36%!

 

Having problems asking a question? Have a general question about Experts Exchange? Let us know!

 
Time Tested Linux Network Security Solutions: 126 - 150 of 310
 
Hi there, can somebody post 3 or 4 points with couple of lines explanation on Linux OS security features ... It will help me finish the paper am writing !
Hi,all experts!! I install Linux Ferodra Core 5 in my machine,and set up a samba server for file sharing, i set up the samba in "ads" mode so samba can join the windows domain to get users &...
Hi, I'm using RHEL3 and wish to convert it into SQUID PROXY box. On top of that, the box will also be a gateway for all clients to access the POP3 (110) and SMTP (25) directly from the net....
I am trying to allow mail users to come in on port 26 as well as port 25 for those pesky ISPs out there that are blocking outbound port 25 traffic.  I need users to use my mail server though, ...
Dear SIr/Madam: configured linux as a router and firewall with eth0 192.168.1.246 and eth1 125.17.156.66(internet)  DNAT to 192.168.1.250 for the ports 21,80,443, DNAT to 192.168.1.244 fo...
http://www.nessus.org/download/index.php If you don't see "NessusClient" stuff on the above link, I guess you have to do dialogs.. here is what I am talking about: Download :    ...
Hi there, I'm just about to set up a secure website to hold customers data for them to reference now and again. I'm getting a cert from verisign and I've updated to httpd-2.0.40-11.9.i386.rpm ...
i wonder about the security of FreeNAS, is it really secure am i going to count on it when i connect the PC to internet?
Hi Guys, Basically I need a VoIP server on a DMZ with outgoing SMTP blocked. I have placed it on a DMZ and blocked its IP's outgoing SMTP on the router, does the block overwrite the DMZ?...
I have a 16 GB Flash Drive. I changed the settings & set it as local disk, so my Vista recognizes it as a local disk, not removable disk. After that, i deleted the whole partition & then i ...
Hi, I configured smoothwall express firewall..but from client machine i can able to ping public ip and gateway..but i cannot able to browse..it showing internet could not search the page er...
Hello experts! I'm extremely new to iptables.  Running RH7.3 The ports listed below are the only ports that I want to have accessible from the internet.  I would like to log dropped packet...
Dear all I currently have been trying to set up iptables' rules that will drop everything and only accept for certain services like webserver, ssh, ftp, imap, imaps, mails, https...and cpan...
Hi! I am using Red Hat Linux 4 as my Linux Gateway for my client machines. I have configured SQUID for monitoring HTTP traffic and using these three commands to use NAT: iptables --ta...
Hi I've installed FWBuilder on a server running Centos Linus v5, with two interfaces (192.168.0.4 internet facing towards my ISP connection & 192.168.1.1 internal). When I try to compile and ...
i have setup public key authentication on a few hosts to do some rsyncing. i have restricted the keys to rsync only and restricted the usage to specific hosts. the public key authentication ...
I want to edit the contents of RAM just as if it were a file on my harddrive.  For example, I want to be able to ask the OS the memory space(s) allocated to a certain process.  Then, I want to...
ftp: 1095 bytes received in 0.00Seconds 1095000.00Kbytes/sec. ftp> ls 200 PORT command successful. 550 No files found. ftp> ls -l 200 PORT command successful. 150 Opening ASCII mode data...
Hi all. Can anyone help me configuring delay-pools in squid.
I have  redhat AS box that is at my new york office and i have know physical way of resetting the password. I know that the user name is root and i have found a tool called puTTy that i can us...
Hello, i got an assignment of unix password to crack. And i am having difficulties solving it. we have to use john the ripper or crack software. the password is based on dictionary words alr...
For some reason, I can't get my Nagios notifications up and working. I'm trying to set up a new user to use a Perl script, which currently sits at /runme.pl I think that I have all the var...
Hello, I've searched my question and I found something similar in the ID: 21727726. But I have an extra problem. The hacker didn't just copy the "back" file to the /tmp directory but also, I f...
We crated snort database using the schema file "create_mysql" in mysql database. After running the snort with -L option for some time (ex: snort -L tcpdump.log), we want to import the data in...
I'm running a RedHat ES mail server (Postfix, Amavis, ClamAV), which has been barraged lately by the Zafi worm.   Messages arrive from "you@yourname.com" and one of three (so far) IP number...