Linuxers December 2003

linuxers@mm.ilug-bom.org.in

140 participants
179 discussions

Iptables Help
by joel_divekar 19 Dec '03

19 Dec '03

Hi I need some help on the following problem with Iptables. Can anybody provide me with some help. Server Details a) Our service provider provides us a catchall account & SMTP access. e.g. Server IP 10.10.10.10 b) We have a gateway firewall server with squid running. e.g. Server IP 55.55.55.55 (Live IP) c) We have a email server running behind the firewall. e.g Server IP 77.77.77.77 To Do a) The email server should be able to send POP & SMTP requests to our email service providers server ie 10.10.10.10 via our gateway server b) Users from internet should be able to access our internal email server i.e. 77.77.77.77 via our gateway server 55.55.55.55 Current Status a) I feel the following iptable code running on our gateway server will allow users from internet to access our internal email server. Please advice if this is right. (Note : eth1 - External Network Card) iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE iptables -t nat -A PREROUTING -i eth1 -p tcp --sport 80 -j DNAT --to 77.77.77.77:80 I need to do this urgently and would require your precious contribution. Regards Joel 9820533294 (022) 56346700 Get Your Private, Free E-mail from Indiatimes at http://email.indiatimes.com Buy The Best In BOOKS at http://www.bestsellers.indiatimes.com Bid for for Air Tickets @ Re.1 on Air Sahara Flights. Just log on to http://airsahara.indiatimes.com and Bid Now !

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Re: [ILUG-BOM] Knoppix-like Distro with 2.6
by Amish Munshi 19 Dec '03

19 Dec '03

> > Does anyone know of a Knoppix-like distro containing kernel 2.6? > If you want we can create it for you, you may contact me after a week and we can customize it for your needs. Contact me by mail if you are interested. > > --------------------------------- > Do you Yahoo!? > New Yahoo! Photos - easier uploading and sharing > -- > http://mm.ilug-bom.org.in/mailman/listinfo/linuxers

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Need Full Cygwin --Anyone from IITM ??
by SANS 18 Dec '03

18 Dec '03

Hi, I need Complete Cygwin. I believe its over 1 GB. Can someone help, probably someone from IITM .... Thx in advance. SANS __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/

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Linux cd library
by JTD 18 Dec '03

18 Dec '03

What is the status of the GNU/Linux cd library? NewsForge: Getting Open Source Into Public Libraries http://linuxtoday.com/infrastructure/2003121701026OSHLPB An interesting idea. Why not put some cds in the college libraries.

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[ILUG-BOM] [COMMERCIAL][JOBS] Openings at R Systems Intl., Noida office
by Parul.Mathur 17 Dec '03

17 Dec '03

R SYSTEMS is a leading global provider of information technology solutions. Since it's founding in 1991, R SYSTEMS has provided leading edge IT solutions to a nice mix of Global 1000, mid-sized companies, government and new economy business. R Systems and its affiliates maintain four large Centers for Software Excellence, one center in El Dorado Hills, CA and the other three in India (Pune, Chennai and Noida). R Systems is a SEI CMM Level 5 company and has been named in the Inc 500 fastest growing company list for the last three consecutive years. http://www.rsystems.com We are looking for profiles in the skill sets mentioned below for our Noida office. Please send your resume to Parul.Mathur[AT]rsystems.com with Subject Line of email in the format "Job Application: <skill set> <yrs of experience>" 1> .Net Sr. Programmers/Team Leads ===================================== Minimum 4 years in IT industry. One year of programming experience in VB.Net, (developing Desktop Application) with strong Database knowledge, and Crystal reports. 2> Software Testers ==================== 1- Hands on Application Testing on Unix with Automated Tools experience. 2-- General testing experience on products like switches, routers. Testing experience on network security related product. 3> Java Programmers ==================== Must have programming experience in Core Java, Swings (Desktop Java GUI Development), XML .Total experience in IT should not be less than 4.5 years. 4> Java Programmers with Experience in Network Management System ==================================== Must have programming experience in Core Java, VC++, Must have programming experience in Core Java, SNMP 5> C # / ASP.Net Programmers/ Project Lead ============================== Minimum 5 years of experience in the IT industry. Must have at least one year of programming experience in C# & ASP.Net 6> Quality Control -Finance : ============================== Must have at least 2 years of experience in Testing applications in Finance Domain, Experience in Manual or Automated testing, Preferably having a Degree in Commerce or Finance.

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RE: [ILUG-BOM] regexp query
by swanand pathak 17 Dec '03

17 Dec '03

Hi! This should solve the problem. Save following lines as some_name.pl Also mention file name in the file as mentioned. #!/usr/bin/perl open(vp,"myfile"); #myfile is the file in the same dir or u can specify full path here eg: /home/my/myfile foreach $names (<vp>){ #Th following lines by Devdas Bhagat @names = split(' ',$names); #Split the line on whitespace #and assign to the array @names foreach (@names) { #For all values in the array print "$_ " #Print the value followed by a single # space if ! /\@/; #Iff there was no '@' in it. } print "\n"; #Print a newline } Run the file as perl some_name.pl You can redirect its output to file as perl some_name.pl > names.txt Regards swanand techieinfo.cjb.net >Message: 4 >Date: Tue, 16 Dec 2003 15:06:56 +0530 >From: Devdas Bhagat <devdas(a)dvb.homelinux.org> >Subject: Re: [ILUG-BOM] regexp query >To: Devdas Bhagat <devdas(a)dvb.homelinux.org>, "GNU/Linux Users Group, > Mumbai, India" <linuxers(a)mm.ilug-bom.org.in> >Message-ID: <20031216150656.A2895(a)evita.devdas.geek> >Content-Type: text/plain; charset=us-ascii > >On 11/12/03 09:52 +0530, Devdas Bhagat wrote: > > On 10/12/03 18:00 +0530, Dr. Sharukh K. R. Pavri. wrote: > > > I have a text file in the format > > > > > > Full name email@ddress > > perl -e 'while(<>) { @names = split /\s+/; foreach (@names) { print "$_ >" if ! /\@/)}; print "\n" } ' < file. >Replying to myself: > >The above one liner is equivalent to: >#!/usr/bin/perl > >while (<STDIN>) { #read one line from standard input > @names = split /\s+/; #Split the line on whitespace > #and assign to the array @names > > foreach (@names) { #For all values in the array > print "$_ " #Print the value followed by a single > # space > if ! /\@/; #Iff there was no '@' in it. > } > print "\n"; #Print a newline >} > >I redirect standard input from the file 'file' via the shell operator <. > >Devdas Bhagat > > _________________________________________________________________ Worried about inbox overload? Get MSN Extra Storage now! http://join.msn.com/?PAGE=features/es

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by Sameer D. Sahasrabuddhe 17 Dec '03

17 Dec '03

Cc: Bcc: Subject: Re: [ILUG-BOM] regexp query Reply-To: In-Reply-To: <20031216021109.A23597(a)evita.devdas.geek> On Tue, Dec 16, 2003 at 02:11:09AM +0530, Devdas Bhagat wrote: > On 15/12/03 22:59 +0530, Dr. Sharukh K. R. Pavri. wrote: > > > > That gives > > ---------------- > > syntax error at -e line 1, near "/\@/)" > > Execution of -e aborted due to compilation errors. > The whole command is a single line. I tested it before posting. I suppose Perl would be the best tool for doing this particular job. I would suggest that Dr. Pavri should read up on the regex operators in Perl, and understand what Devdas's code snippet is trying to do, so that he can himself figure out what's wrong! Sameer. PS: Interesting to see the names "Sharukh" and "Devdas" in the same message! ;) -- Research Scholar, KReSIT, IIT Bombay http://www.it.iitb.ac.in/~sameerds/

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Secure Session Management in PHP
by Mid Jamie 16 Dec '03

16 Dec '03

Hi, Dunno how many are avid PHP enthusiasts in here, nev= ertheless i thought i should point you folks to an interesting article that= i read this evening on 'Session Security in PHP'. The article is actually = the cover story of the first issue of PHP Magazine (Digital Issue), which i= s available for free download here: https://www.entwickler.com/ssl/phppdf/<= BR> Further, the author Chris Shiflett who wrote the cover story, = has been kind enough to accept submissions from people who think they have = a good implementation for securing sessions. In exchange, he will (hopefull= y) be able to reply to each person with a review of their implementation. I= f you are interested, then rush your secure(?) PHP implementation to Chris = (http://www.php-mag.net) Thanks, -Mid [1] [adstream_nx.c=] References 1. 3D"http://clients.rediff.com/signature/t

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>>>Custom Distro Query<<<
by BIJU KRISHNAN 16 Dec '03

16 Dec '03

Dear Linuxers, I have been working hard on building my own RedHat Linux based distro..... I have made a kickstart file using redhat-config-kickstart and saved the file @ ROOTBUILD/ dir and isolinux/ Dir..... While testing anaconda --test method=nfs ...e.tc. The custom kickstart installation does not begin but I do see the changes in all the RedHat logos...e.t.c Does that mean I cannot test the kickstart using anaconda --tes method=nfs ...command or am I making a mistake...in placing the kickstart file. My first attempt at making a bootable disc failed ..... Please help.. bye Rgds bijucyborg __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree

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rpm- qa takes hell lot of time :((
by Dilip M 16 Dec '03

16 Dec '03

rpm -qa stops at.."termcap-11.0.1-10" . . . morph-2001.02.22-2 cracklib-2.7-12 termcap-11.0.1-10

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Linuxers December 2003