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34748 discussions

pop before smtp
by Mark Quitoriano 30 Aug '05

30 Aug '05

Hi! Im using postfix+postfixadmin+mysql+courier-imap i just implemented pop-before-smtp[1], my problem is after recieving the mails i connect to the server using telnet and try to send spam using the mail server it did send it didn't ask for authentication anymore. i'm not sure how this pop-before-smtp really works but i was thinking how should i secure the server in this kind of attacks. [1]http://www.stahl.bau.tu- bs.de/~hildeb/postfix/postfix_pop-before-smtp_en.shtml<http://bs.de/~hildeb/postfix/postfix_pop-before-smtp_en.shtml> -- Regards, Mark Quitoriano, CCNA http://www.atamanetworks.com Fan the flame... http://www.spreadfirefox.com/?q=user/register&r=19441

10 18

yum custom install
by Todd Cary 29 Aug '05

29 Aug '05

I am trying to learn some of the in's and out's of yum, and thanks to the help of many on this forum, things are beginning to make more sense (though I still have a lot more to learn). My initial Centos install was the "minimum". From there I used yum grouplist and yum installgroup. However, one of the members helped me with using yum to install php-mysql and I just found on this forum php-gd (which I installed). It appears one "just has to know about these packages" or have I missed something? Once I have an install that I like, can I save off the list of packages and use it the next time I do an install? Also, when I do a "yum list", I do not see the php-mysql or the php-gd listed. Am I looking at the incorrect list? Todd -- Ariste Software 200 D Street Ext Petaluma, CA 94952 (707) 773-4523

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Directory server for Centos
by Carlos Arellano 29 Aug '05

29 Aug '05

Any ones knows if Fedora directory Server is available for Centos ia64. or is in progress to be. Or never is gona be available. Or Redhat Directory server? Thanks Este correo fue escaneado y se encuentra libre de virus. Este correo fue escaneado y se encuentra libre de virus.

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Semi-OT: OpenSource DRM server on CentOS?
by dan.trainor 29 Aug '05

29 Aug '05

Hello, all - I understand that this is moderately OT, but hey, since I plan on running it on top of CentOS.... ;) Please bear with me. For our company's internal use of protected media, I have been asked to investigate any and all kinds of OpenSource DRM servers/services. I wouldn't imagine that (if this exists) an OpenSource DRM server daemon would exist on the stock CentOS release, but if such a beast does live, where might I find it? Anyone have any names, or sites that might list something such as this? Anyone have experience in this realm? Thanks! -dant

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bind and bind-chroot
by Robert Hanson 29 Aug '05

29 Aug '05

greetings on a CentOS 4 _server_ install for a dns server rpm -qa | grep bind bind-9.2.4-2 bind-libs-9.2.4-2 bind-chroot-9.2.4-2 bind-utils-9.2.4-2 ypbind-1.17.2-3 rpm -qa | grep name caching-nameserver-7.3-3 ok, so i do this yum remove caching-nameserver and it is gone. now, do i need to leave bind-9.2.4-2 to use the bind-chroot-9.2.4-2 ??? or can i yum remove bind and still have a functional nameserver with only bind-chroot phg on there?? hopefully this makes sense. i was always so used to the old slackware ways of snag what you need, compile, config and go... thanks - rh -- Robert Hanson Abba Communications http://www.abbacomm.net

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RAID5 - MBR and default grub config on CentOS 4
by Robert Hanson 29 Aug '05

29 Aug '05

greetings, i just know i have read several times on this list and in other places that on a RAID5 array that the MBR should be placed on the /boot partition. is this truly correct and if so, why? my experiences of putting the MBR on the /boot partition are contrary to that it will even work and boot that way... comments please? regards, - rh -- Robert Hanson Abba Communications http://www.abbacomm.net

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New User: Kudos, small/old platform, RPM Illegal Instruction
by Bill Maltby 29 Aug '05

29 Aug '05

Hello All! My 1st use of CentOS went well on my later eqpt. Thanks and congrats on a good product. Figured I might as well see if I could use it on some old stuff, still good but obsolete. Picked an AMD 5x86 (equivalent to a Pentium 75 MHz) and decided to see if I could make it my gateway/router. Had some difficulties, not unexpected. Old CD drive couldn't read the CDs. No boot from CD in BIOS. Floppy was broken. Memory is 36 MB. VLB MB, appx. 1 GB old slow drives, etc. Decided to plug HD into another unit and do install there. Went OK, but for some reason, all the junk I tried to turn off still appears to get started. Anyway, my problem is that RPM traps with illegal instruction when a query all, among other combinations, is attempted. It does not do it on my AMD XP, but does do it on the old one. Possible that RPM was compiled with a later arch specified? If so, is there a way to recompile it on my faster machine for execution on the older machine? Or has someone already fixed this and I can download or something? I'm relatively new to this distribution stuff (been doing LFS in the past and many other *IX things before that). I did a search using "rpm illegal instruction" of the lists, but didn't see anything that seemed appropriate. By the way, if the rc.sysinit has the swapon moved up to the front, things work OK. If not, things freeze up as mem is exhausted. Swapon does not appear to be bothered by the fact that LVM is not in control yet. Even if it is, I added another disk, set up two swap areas there and sailed on. Performance counts on a (equiv. to) P75! 8-O If all this works out, I'll try to send some money. Also, *if* I'm able, I will help test what I can. Got an old Aptiva over in the corner too. Hmmm.... am I really a candidate for this org? Maybe not?

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Antivirus logging linux
by Wayne 29 Aug '05

29 Aug '05

Hey Guys, I have a network of windows clients with a couple of linux servers for various tasks. What I would like to do is have some form of antivirus on the clients that will log alerts to something on a linux server and store the info in sql. Anybody have any idea on something that can do this? I tried asking on the securityfocus virus list and I emailed grisoft about their network product. Neither proved fruitful... I want to be able to run my own custom reporting from sql on the fly basically... Any pointers would be _greatly_ appreciated as even googling doesn't appear to be helping me here... Thanks, Wayne

3 5

Can't get the gd library to work
by StarQuake 29 Aug '05

29 Aug '05

I have a system with FC2, with php and gd. I just installed the php package and the gd package and it works fine. I also have a system with CentOS 4.1 and installed the php package and the gd package but when I use phpinfo() I do not see the gd extension. Am I missing something? I somehow feel it has something to do with the config flags Working FC2: '--with-gd' '--enable-gd-native-ttf' Non-working CentOS 4.1: '--with-gd=shared' '--enable-gd-native-ttf' StarQuake -- for some how-to's and rpms visit my site : http://solid.bounceme.net for commercially supported solutions visit : http://www.robas.com

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Previewing oggvorbis files in GNOME...
by Jose Alburquerque 29 Aug '05

29 Aug '05

Hi. I'm wondering if anyone out there can give me a little help trying to figure something out: I presently am running CentOS4.1 with GNOME as my desktop (It runs quite well, I must say!). I just have a little curiosity: I have a few audio files (.wav, .mp3 and .ogg) and I like to "preview" them. When run my mouse over the .wav files (and mp3 files) the "previewing" function works fine, but when I try to preview an oggvorbis file (.ogg) it seems that the file is about to be previewed (because the icon changes), but no sound comes out. I noticed that nautilus (the file-manager) uses sox to play the audio files when previewing. Recently I had to add mp3 support to sox to be able to use "graveman" (a cd burning software) and I figure that's why mp3 previewing works fine for me under GNOME. I thought that the reason that ogg files do not sound is because my version of sox may not have oggvorbis support, but this is not the case because I can play them using the "play" command easily at the command line. Also when I type "sox -h" I get: sox: Version 12.17.7 Usage: [ gopts ] [ fopts ] ifile [ fopts ] ofile [ effect [ effopts ] ] gopts: -e -h -p -v volume -V fopts: -r rate -c channels -s/-u/-U/-A/-a/-i/-g/-f -b/-w/-l/-d -x effect: avg band bandpass bandreject chorus compand copy dcshift deemph earwax echo echos fade filter flanger highp highpass lowp lowpass mask mcompand noiseprof noisered pan phaser pick pitch polyphase rate repeat resample reverb reverse silence speed stat stretch swap synth trim vibro vol effopts: depends on effect Supported file formats: aiff al au auto avr cdr cvs dat vms gsm hcom la lu maud mp3 nul ossdsp prc raw sb sf sl smp sndt sph 8svx sw txw ub ul uw voc vorbis vox wav wve which let's me know that my version of sox has vorbis support. Anyone know why I can't preview my oggvorbis files in GNOME? Thanks a million. -Jose

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