Blocking a Single IP Post: 70117

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1. UNIX for Dummies Questions & Answers

blocking domains

Dear All , Kindly note I have sun solaries 7 . I want to block a domain who keep sending emails to my domain and users . thanks

2. IP Networking

I'm in highschool. They blocked my favorite site. How do I disable websense without getting caught on that particular webpage? Is it even possible? *twitch* I would also like to get as much UNIX for beginners information, so if someone might point me in the right direction so I don't have to read...

3. IP Networking

blocking DHCP

I've got a legit DHCP server on my network. I've got a 3550 as my VTP server providing 4 vlans to 4 2950 switches. If somebody were to plug into one of those vlans with a DHCP server configured then it would throw off my whole network. How could i block the DHCP server that could plug into the...

4. Shell Programming and Scripting

blocking script help

sed -n '/robots.txt/!{s/$\{1,\}\.*\.*\.*$.*\/$.*\.txt$.*/\1 \2/p;}' myaapache.log Above command will search all txt except robots.txt from apache logs and show like 94.136.63.119 idsuper.txt 174.121.67.233 fx29id1.txt I want to block that ip address automatically, i need script...

5. UNIX for Advanced & Expert Users

ps blocking

Hi Folks I have been debugging a script that is called every thirty seconds. Basically it is doing a ps, well two actually, one to file (read by the getline below) and the other into a pipe. The one into the pipe is: - V_SYSVPS=/usr/sysv/bin/ps $V_SYSVPS -p$PIDLIST -o$PSARGS...

6. Programming

non blocking connect

OS : solaris 10 X86 I created stream socket, tries to connect to port 7 on the remote machine. After doing the non blocking connect call I did select with time out value is 3 secs. I am always getting timed out though I am writing prior to select. code: x=fcntl(S,F_GETFL,0);...

7. UNIX for Dummies Questions & Answers

Blocking signals

I know how to add signal to a set. But what if I want to add 2 or 3 signals to the set. I know I can use sigaddset (&set,SIGBUS)....but what if I want to add SIGBUS and SIGALRM at once. Do i have to do it like this.. sigaddset (&set,SIGBUS); sigaddset (&set,SIGALRM); Is there another way to...

8. IP Networking

ping blocking

Hi I am starting to practice nmap for my own education. Now I created two host in virtual box. Bot are scientific linux, one in installed as web server and the other as developing station. I tried to run nmap on so I did nmap on their IP address, I got an answer that ip is down or that...

9. Shell Programming and Scripting

Multiple lines in a single column to be merged as a single line for a record

Hi, I have a requirement with, No~Dt~Notes 1~2011/08/1~"aaa bbb ccc ddd eee fff ggg hhh" Single column alone got splitted into multiple lines. I require the output as No~Dt~Notes 1~2011/08/1~"aaa<>bbb<>ccc<>ddd<>eee<>fff<>ggg<>hhh" mean to say those new lines to be...

10. Programming

Which are blocking and non-blocking api's in sockets in C ?

among the below socket programming api's, please let me know which are blocking and non-blocking. socket accept bind listen write read close

LEARN ABOUT DEBIAN

firestarter

FIRESTARTER(8)						      System Manager's Manual						    FIRESTARTER(8)

NAME

       firestarter - program to manage and observe firewalls

SYNOPSIS

       firestarter [options]

DESCRIPTION

       This manual page documents briefly the firestarter command.  This manual page was written for the Debian GNU/Linux distribution because the
       original program does not have a manual page.  Instead, it has documentation in html format (see below).

       firestarter is a GNOME program that will help you in configuring and monitoring a GNU/Linux firewall using either ipchains or iptables.

OPTIONS

       This program follows the usual GNU command line syntax, with long options starting with two dashes (`-').  A summary of options is included
       below.

       --generate-scripts
	      Generate	firewall  scripts  from current configuration. If firestarter is updated and you don't want to run the GUI, the scripts in
	      /etc/firestarter are not up-to-date. So you have to run firestarter with this option to update the scripts.

       -h, --help
	      Show summary of options.

       --lock Lock the firewall, blocking all traffic.

       -p, --stop
	      Stop the firewall.

       -s, --start
	      Start the firewall.

       --start-hidden
	      Start firestarter with the GUI not visible.

       -v, --version
	      Show version of program.

SEE ALSO

       This program is fully documented in http://www.fs-security.com/docs/.

AUTHOR

       This manual page was written by Ryan M. Golbeck <rmgolbeck@debian.org> and later revised by Rene Engelhard <rene@debian.org> and Yann  Ver-
       ley <yann.verley@free.fr> for the Debian GNU/Linux system (but may be used by others).

								 November 26, 2004						    FIRESTARTER(8)

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4. Shell Programming and Scripting

blocking script help

Discussion started by: learnbash