SANS training in NH

2006-10-07 Thread Chris Brenton
Hey all, After much advocating, I've finally convinced SANS to at least run a small conference in NH. It will be in Portsmouth from 10/20-10/28. More info can be found here: http://www.sans.org/portsmouth06/ About 1/3 of the 502 track is hands-on labs, mostly using a slightly modified version of

Re: Malware best practices

2006-07-26 Thread Chris Brenton
On Sun, 2006-07-23 at 21:41 -0400, Ben Scott wrote: Despite all the talk about heuristics, virus detection is still almost entirely dependent on recognizing signatures of know viruses. With good reason. AV vendors make most of their money off of subscription services. So why fix something

Re: heuristics problem (was: Re: Malware best practices)

2006-07-26 Thread Chris Brenton
On Mon, 2006-07-24 at 15:03 -0400, Ben Scott wrote: How do you tell when code executing with root privs is malware? (NOT a rhetorical question btw, I'd seriously like to know if it is possible, and how) For the general case, I don't think you can. Agreed. Look at the latest dll

Re: Malware best practices

2006-07-26 Thread Chris Brenton
On Wed, 2006-07-26 at 14:34 -0400, Ben Scott wrote: Mass infections are s 1990's. I wish. Recall that SQL Slammer hit in 2003, and severely impacted the whole Internet. Agreed, but the cost was distributed. I think you would be hard pressed to find anyone that went out of business

Re: iptables question for the experts

2006-07-18 Thread Chris Brenton
On Mon, 2006-07-17 at 18:19 -0400, Dan Coutu wrote: I am expecting that following line opens traffic to the remote server on whatever port passive mode ftp chooses to use: eeek! Scary rules. ;-p Just to verify, these are the rules on the client which is connecting to the server, correct? If

Re: iptables question for the experts

2006-07-18 Thread Chris Brenton
On Tue, 2006-07-18 at 15:26 -0400, Chris Brenton wrote: iptables -A OUTPUT -p tcp -d server ip --dport 25 -j ACCEPT Dooh! Change that to be: iptables -A OUTPUT -p tcp -d server ip --dport 21 -j ACCEPT ___ gnhlug-discuss mailing list gnhlug-discuss

Re: Hardware vendors (was: Just when you think you've seen it all...)

2006-06-28 Thread Chris Brenton
On Tue, 2006-06-27 at 16:15 -0400, mike ledoux wrote: Are we talking problems as in faulty design, or hardware failures? Or both? :) I would pretty much expect that Dell's hardware wears out sooner and more often than HP or IBM stuff. Design issues, on the other hand, can't be fixed

Re: InternetFreedomCoalition.org ยป Take Action!

2006-05-17 Thread Chris Brenton
On Tue, 2006-05-16 at 21:19 -0400, Jonathan Linowes wrote: http://www.votervoice.net/Core.aspx?AID=575APP=GACIssueID=7519 This Congress would become the very first to regulate the Internet Humm. Has someone not been paying attention? C ___

Re: Server Security (was SSH attack)

2005-12-21 Thread Chris Brenton
On Mon, 2005-12-19 at 22:22 -0500, Greg Rundlett wrote: The environment I find myself in now is unlike ones that I'm used to. SSH is allowed for some hosts while not for others. For most host access, you need to go through a single point of entry (sentry), and then ssh from there over the

Re: Any Opinions on SuSE 10.0 vs other Distros

2005-12-21 Thread Chris Brenton
On Wed, 2005-12-21 at 09:39 -0500, Jim Kuzdrall wrote: Didn't SuSE recently decide to switch to GNOME as the default desktop (although continuing to package KDE RPMs and such)? SuSe 10 you can go either way. Can't remember if Gnome or KDE is the default selection, but I *thought* it was

Now I've seen everything (OT-humor)...

2005-12-21 Thread Chris Brenton
This is just too funny for words. I had to do some digging into it before I would actually believe it: http://www.pcworld.com/resource/article/0,aid,124047,pg,1,RSS,RSS,00.asp In short, Microsoft is actioning off invitations to beta test MSN Messenger Live which, when released, will be _free

Re: Now I've seen everything (OT-humor)...

2005-12-21 Thread Chris Brenton
On Wed, 2005-12-21 at 17:45 -0500, Thomas Charron wrote: On 12/21/05, Chris Brenton [EMAIL PROTECTED] wrote: This is just too funny for words. I had to do some digging into it before I would actually believe it: http://www.pcworld.com/resource/article/0,aid

IBM laptops

2005-08-09 Thread Chris Brenton
Hey all, Does anyone know a retailer in the Manchester area that resells IBM laptops? I have a friend thats interested in picking one up but wants to be able to check it out first. Thanks in advance for all replies, Chris ___ gnhlug-discuss mailing

Re: Celebrities explain various tech matters

2005-07-22 Thread Chris Brenton
On Fri, 2005-07-22 at 09:46, Michael ODonnell wrote: Simultaneously humorous and useful: http://routergod.com/ Fabio explaining IMGP, I think I just wet myself laughing! Thanks for the link, C ___ gnhlug-discuss mailing list

Re: Greylisting

2005-06-30 Thread Chris Brenton
On Thu, 2005-06-30 at 10:55, Bill McGonigle wrote: Roughly: * incoming mail gets scanned for envelope sender, envelope recipient, sending IP * if it's the first time the tuple is seen it gives an SMTP 'temporary failure' error. The sending MTA retrys. * if it's been

Re: Sendmail address resolution problem

2005-06-24 Thread Chris Brenton
On Thu, 2005-06-23 at 22:59, Steven W. Orr wrote: Note that home.alginin.org is resolved to 209.6.219.177 snip Jun 23 22:31:37 saturn sendmail[9853]: j5O2UaPX009847: to=[EMAIL PROTECTED], delay=00:01:01, xdelay=00:01:00, mailer=esmtp, pri=230639, relay=home.alginin.org. [209.150.61.19],

Re: Rookit infections: AARRGH!

2005-05-09 Thread Chris Brenton
On Mon, 2005-05-09 at 13:15, Neil Joseph Schelly wrote: On Monday 09 May 2005 10:16 am, Kevin D. Clark wrote: You have a lot more information if you know that user logged in via ssh and then su'd to root compared to just knowing that somebody somewhere logged in as root. That is an

Re: Tracking Internet Computers

2005-03-05 Thread Chris Brenton
On Fri, 2005-03-04 at 20:38, Jason Stephenson wrote: So, if you're worried about the technique being used on you, set those sysctl MIBs to 0, and don't worry about it. ;) Just curious, has anyone tested this? Not sure if this shuts off all timestamp support or just keeps it from being

Re: Looking for a good portable linux system

2004-12-19 Thread Chris Brenton
On Sat, 2004-12-18 at 16:40, Fred wrote: Are you sure you can trust the TSA to leave it alone and not steal it or think it's a bomb? I will second Fred's comments but not because of TSA. I think it has more to do with the baggage handlers. I've had stuff stolen out of my checked luggage

Re: If you can't beat 'em...

2004-11-19 Thread Chris Brenton
On Fri, 2004-11-19 at 09:39, Ted Roche wrote: It's good to hear that Microsoft is giving up on trying to diss FOSS or compete with unfair comparisons, and is just threatening their customers. Ya, my favorite quote: Linux violates more than 228 patents, according to a recent report from a

Re: VPN's....

2004-10-02 Thread Chris Brenton
On Sat, 2004-10-02 at 07:32, Brian Chabot wrote: Do any of you have a prefered VPN software under Linux? I use SSH myself, but quite a few of my students use ssltunnel and absolutely love it: http://sourceforge.net/projects/ssltunnel/ Basically its a PPP tunnel secured with SSL or TLS. It can

Re: Evolution and Exchange - a Global Catalog Server question

2004-09-25 Thread Chris Brenton
On Fri, 2004-09-24 at 12:26, Jeff Macdonald wrote: On Fri, 24 Sep 2004 11:03:15 -0400, Whelan, Paul [EMAIL PROTECTED] wrote: Maybe if you did -L389:host:389 and point your connector to localhost for the GC that might work for you. ssh won't allow ports below 1024 to be redirected. Try

Re: Fwd: philosophical question about gmail

2004-08-04 Thread Chris Brenton
On Wed, 2004-08-04 at 15:41, Jeff Macdonald wrote: Well, this issue hasn't really cropped up until now, because I can't recall a single email provider in the past whose mantra was to scan incoming emails for content and provide ads/generate revenue from that. It sort of has, people have

Re: Fwd: philosophical question about gmail

2004-08-04 Thread Chris Brenton
On Wed, 2004-08-04 at 19:07, Michael ODonnell wrote: I suspect that at least one of us has missed a point; I was only worried that if (say) you were a gmail user and the gmail folks felt free to append an ad to end of all your outbound emails then anything you posted to the GNHLUG list would

Re: spam filters

2004-05-16 Thread Chris Brenton
On Sun, 2004-05-16 at 09:44, Jerry Feldman wrote: Your ISP is a bit misguided. SPAM is a serious problem for ISPs as it takes up a significant part of their bandwidth. But, there is another issue. Should an ISP filter your email. IMHO, they should allow their clients to decide whether or not

Re: Upgrading Multiple Servers?

2004-05-10 Thread Chris Brenton
On Mon, 2004-05-10 at 10:29, Kurth Bemis wrote: After looking around his site, I found a lot of useful tools, so I wget'ed a local copy for myself! Ya its pretty amazing the wealth of Linux tools that Bill has come up with. Its one of the few sites I pull down to my cellphone every day (just

Re: Upgrading Multiple Servers?

2004-05-09 Thread Chris Brenton
On Sun, 2004-05-09 at 21:16, Kurth Bemis wrote: It's a real pain to ssh to each of the boxen and repeat the same process again and again to upgrade apache,php,mod_perl,mod_ssl, system files, etc. Why not use Bill Stearn's fanout? http://www.stearns.org/ Just run the command once and its

Re: sniffers

2004-04-26 Thread Chris Brenton
On Sun, 2004-04-25 at 23:06, Hewitt Tech wrote: One thing that might affect which tool you decide to use - if you need an intrusion detection system, you might want to use snort. Actually, tcpdump, Ethereal and Snort (in binary mode) will all use the same file format. So you can capture with

Local perimeter security training

2004-03-04 Thread Chris Brenton
Greets all, I apologize for this not being completely on topic, but I wanted to pass this opportunity on to GNHLUG members before anyone else. Some of you may recognize me as the author and instructor of SANS' Firewalls, Perimeter Security and VPNs track. If you are not familiar with the class,

Re: looking for Word 2000 Review Toolbar equivalent in OpenOffice

2004-03-02 Thread Chris Brenton
On Tue, 2004-03-02 at 08:07, Michael ODonnell wrote: Ah. If you announce that you're Recording changes you're then able to enter Review comentary in a little dialog box. Clunky. That commentary is viewable later in the same clunky dialog... Clunky or a feature, I guess its how you look at

Re: Desktop Linux (fwd)

2004-02-26 Thread Chris Brenton
On Thu, 2004-02-26 at 00:09, Derek Martin wrote: But as members of the community, we can not forget that many people who use computers can not effective do what they need to do in Linux, and in some cases can't do it at all. Exactly. To draw an analogy, I drive a Subaru coupe. I love the

OT post to Bruce Mcculley

2004-02-26 Thread Chris Brenton
Sorry in advance to the OT post. Bruce, I've tried to respond directly to both of your e-mails today. Both times I received a 554. I have the feeling you may have some black listing in place that is including my address space. :( C ___ gnhlug-discuss

Re: Desktop Linux (fwd)

2004-02-26 Thread Chris Brenton
On Wed, 2004-02-25 at 23:59, Derek Martin wrote: On Wed, Feb 25, 2004 at 11:00:17AM -0500, [EMAIL PROTECTED] wrote: That is true, but there is also a problem with the Linux comunity in that they think everything should be free. There are certainly some people in the community who feel

Re: Desktop Linux (fwd)

2004-02-25 Thread Chris Brenton
On Wed, 2004-02-25 at 14:17, Jeff Kinz wrote: And as I stated before, Quicken runs quite nicely on Linux if you use CrossOver Office. Its only $40 and allows you to run a ton of MS apps (I just loaded MS Visio this week and its running great). Also gotta work w/Intuits tax software

Re: Desktop Linux (fwd)

2004-02-25 Thread Chris Brenton
On Wed, 2004-02-25 at 19:44, Jeff Kinz wrote: Nothing I love more than someone who decides they know what I'm thinking and gets its completely wrong, Its not what you're thinking but what your writing. You seem focused on ignoring posts from people like myself who are trying to tell you this

Re: Desktop Linux (fwd)

2004-02-23 Thread Chris Brenton
On Mon, 2004-02-23 at 09:15, Kevin D. Clark wrote: What about people with low-speed or non-existant network access -- these people *can't* download huge software distributions. Are these people {de facto} idiots? Or the people who _could_ download it but _choose_ to buy it in order to dump

Re: piercing corporate FW outbound

2004-02-07 Thread Chris Brenton
On Fri, 2004-02-06 at 14:09, Michael ODonnell wrote: No. I'm upset because terms of an agreement are being violated. Then sue them or quit. I'm guessing that corporate attitude probably feels that during work hours they 0wn you and if the connectivity does not further the business model then

Re: piercing corporate FW outbound

2004-02-07 Thread Chris Brenton
On Fri, 2004-02-06 at 15:24, Derek Martin wrote: There exist firewalls which can look at packet payloads to determine if they conform to the protocol for which they are supposedly being transmitted. Your chums in the IT department are evidently using one. Its probably _not_ the solution they

Re: piercing corporate FW outbound

2004-02-07 Thread Chris Brenton
On Fri, 2004-02-06 at 15:31, Derek Martin wrote: On Fri, Feb 06, 2004 at 01:09:52PM -0500, Chris Brenton wrote: For the record, outbound SSH _can_ be a security risk. So is HTTP, and it's a much more serious one than SSH, Hummm. I don't remember saying that HTTP _was not_ a security risk

Re: piercing corporate FW outbound

2004-02-07 Thread Chris Brenton
On Sat, 2004-02-07 at 12:16, Derek Martin wrote: An (I think) important point: this is true of ALL security, not just perimeter security. Absolutely true! I mentioned perimeter specifically because that was the topic at hand. :) (either knowing or unknowing) and which one's you don't.

Re: piercing corporate FW outbound

2004-02-06 Thread Chris Brenton
On Fri, 2004-02-06 at 12:35, Michael ODonnell wrote: Two days after I started, though, the geniuses in the IT gang started blocking port 22 snip Anyway, until recently I've still been able to get through by having my home server answer on port 80, as well, but now the IT geniuses have

Re: DNS serial numbers (was: Verizon email problems)

2003-11-13 Thread Chris Brenton
On Wed, 2003-11-12 at 21:39, [EMAIL PROTECTED] wrote: If you can say, what software is it that has this problem? Actually, I can't (NDA). Let's just say be careful if you have a commercial alternative to Bind. ;-) C ___ gnhlug-discuss mailing list

Re: Verizon email problems

2003-11-12 Thread Chris Brenton
On Wed, 2003-11-12 at 10:12, Joshua S. Freeman wrote: I'll go back and change the serial number and restart named but I swear that I made those changes are restarted named yesterday! A slick little trick, use a reverse date format like so: 200311121 So its: 4 digit year 2 digit month 2 digit

Re: Verizon email problems

2003-11-12 Thread Chris Brenton
On Wed, 2003-11-12 at 13:15, [EMAIL PROTECTED] wrote: Also, another tip: Instead of using a serial number of the form MMDD, use MMDDNN, where NN gets incremented for each change that day. Be careful with using NN instead of N. I've run into name server packages that only permit a

Re: Verizon email problems

2003-11-11 Thread Chris Brenton
BTW, if anyone needs a real simple way to verify their DNS info, check out: http://www.dnsreport.com/ This will tell you if anything is broken. IMHO the scale seems a bit off to me. There are a few warnings that I would consider a fail per the RFCs, but the descriptions are great. HTH, C

The Grinch Who Stole Linux

2003-11-09 Thread Chris Brenton
This is pretty funny: http://www.groklaw.net/article.php?story=20031106164630915 and just in time for the holidays! :) C ___ gnhlug-discuss mailing list [EMAIL PROTECTED] http://mail.gnhlug.org/mailman/listinfo/gnhlug-discuss

Re: Domain Registrar?

2003-11-07 Thread Chris Brenton
On Fri, 2003-11-07 at 13:27, Bill Mullen wrote: I've had consistently good experiences with http://joker.com ... I've been involved with six domain purchases from them, which have all gone well. Check the NANOG archives. There have been a larger number of complaints from people who have

Re: Allowing remote root login

2003-10-16 Thread Chris Brenton
On Thu, 2003-10-16 at 13:39, brian wrote: I've often wondered|suspected that they some some filtering on captured email addresses, ie: s/spam|NOSPAM|SPAM//g sort of thing. Seems to work pretty well. I maintain spam-free-zone.net and I've ended up with zero spam, even when trying to get an

Re: RH9 - setting up to a print server????

2003-10-06 Thread Chris Brenton
On Sun, 2003-10-05 at 22:53, Brian Riley (maillist) wrote: This would defeat the whole purpose of having the print server, Then go with the first setup I described. I only mentioned SMB because its also an option. C ___ gnhlug-discuss mailing list

Re: RH9 - setting up to a print server????

2003-10-05 Thread Chris Brenton
RH9 uses CUPS for printing. Launch the CUPS daemon and then kick off the Print Manager. I'm guessing you want to set the queue type to LPD but the JetDirect option *might* work. Other option would be to share off a queue on Windows box, point to that box and set the queue to SMB. This would allow

Re: Red Hat

2003-10-03 Thread Chris Brenton
On Fri, 2003-10-03 at 15:26, Sharpe, Richard wrote: Has anyone heard the rumors about Red Hat Splitting the Personal versions to a new sub company and new product name ? Looks like there will be three products: Server software retailing for around $1,200 Workstation retailing for around $300

Re: IP backup solutions?

2003-09-15 Thread Chris Brenton
[EMAIL PROTECTED] wrote: As others have suggested, rsync can keep two filesets synchronized, using just the diffs. You could then backup the fileset at the main office. But again, that depends on the size of your regular diffs. I have to admin that's I've missed most of this thread, but if you

Re: Network problem

2003-08-29 Thread Chris Brenton
Stephen Ingham wrote: A good repeater hub will automatically turn off a port when 32 consecutive collisions are detected. Humm. A collision is defined as a system following the Ethernet CSMA/CD rules that detects a different bit pattern on the receive pair Vs. what it is currently sending out on

Re: Network problem

2003-08-29 Thread Chris Brenton
Stephen Ingham wrote: A repeater is more complicated than a line amplifier as Chris described it below. Actually, its not. Of course vendors are always free to add features. Routers by definition simply route traffic and don't filter it, and yet that's a feature most of us have learned to expect

Re: Network problem

2003-08-29 Thread Chris Brenton
I'm assuming Tom forgot to re-all on his note again so I've cc'd the group. Tom Fogal wrote: Now that I look it up, it is not as specific as either of us thought. In 802.3 it is simply defined (in clause 1.4.81) as 'A condition that results from concurrent transmissions from multiple data

Re: How do you test your router/firewall for security?

2003-08-14 Thread Chris Brenton
Larry Cook wrote: Now that I've moved to DSL, I was looking for ways to test the security of my router/firewall. I'm going to use ShieldsUp! (http://grc.com), but was wondering what other tools were available. Tom's recommendation of having a friend poke your perimeter is probably your best

Re: Wireless PDA workstation

2003-07-02 Thread Chris Brenton
[EMAIL PROTECTED] wrote: Check out the Kyocera cell phone. It's a cell phone which has an embedded Palm Pilot. Also, check out the Visor Treo line of commincators, they're along the same line. There are apps for Palm devices to do web browsing/terminal type stuff, and I seem to recall an SSH

Re: Detecting root kits?

2003-06-23 Thread Chris Brenton
On Mon, 2003-06-23 at 10:03, Ben Boulanger wrote: Also, a useful command is RPM -Va. The output is documented in man rpm, but it checks all of the files from RPMs for changes. You could also make this quicker by targetting things like passwd or util-linux. This is an *excellent* trick and

Re: Detecting root kits?

2003-06-23 Thread Chris Brenton
Michael O'Donnell wrote: If that minimal effort yields a positive result, yay! I was just pointing out that one ought not feel too comfy if a minimal effort yields a negative result. Agreed. If chkrootkit, RPM or what ever finds what you are looking for, cool. If not, its time to mount the drive