Worrying
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URL: https://forums.webwiz.net/forum_posts.asp?TID=5886
Printed Date: 29 March 2026 at 9:19am Software Version: Web Wiz Forums 12.08 - https://www.webwizforums.com
Topic: Worrying
Posted By: l15aRd
Subject: Worrying
Date Posted: 22 September 2003 at 5:12am
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This is quite worrying, I've had an individual, who has gained access to the super moderators accounts, the DB is held outside of the HTML area, and we bounce all ports bar the 80,21,23.
so I'm thinking that they must have got the db somehow??? and decrypted it, he seem to have a problem decrypting password with numbers in them, so have advised all moderators to change their password.
Has anyone any ideas how they have managed to do this.
I've currently got a dialogue running with the indiviual in question (imation) and have his source IP's as he seem to know how to spoof his IP after he found out I had his source one, and has said he gonna let me know how he did it, but....
He' has openly appologised for any disruption he's cause and assured us that he hasn't used or changed any info he's found, which is a good thing....
Thanks in Advance
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Replies:
Posted By: WebWiz-Bruce
Date Posted: 22 September 2003 at 6:10am
In what way has he gained access to admin accounts?
Has he managed to login as someone else?
Or has he changed his own account to be in the admin group?
If you can give more details or findout how he has done this then I can investigate further.
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Posted By: l15aRd
Date Posted: 22 September 2003 at 6:23am
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At first he just registered as a normal user, started sl*gging everyone off, so we deleted his account and banned his IP.
He then spoofed his IP and re-registered and started sl*gging again, again we deleted his account and banned that IP, and went to GoStats (hit/stats counter) and got his source IP and set a mail to his ISP(s).
He then somehow got and logged in as myself and deleted my account, which I restored the DB to the night befores backup
Changed my password to something else (all letters) and he logged in again as myself and posted abusive content, another email was sent to his ISP's and a post was put on my site informing that if he persisted I'd inform internic.
Changed my password again (leters and numbers, which he must have a prob with), he logged in as someone else and posted an apologie and that when I opened a dialogue with him/her to find out how he did it, also advised all members to change their passwords.
It's abit worrying isn't it, we did everything bar bounce his IP at the firewall(s), but chance are he/she'd have spoofed their way around it.
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Posted By: WebWiz-Bruce
Date Posted: 22 September 2003 at 9:32am
As passwords in version 7 (which I presume you are using) are 160bit
one way encrypted it shouldn't be possible to retreive the password.
As he has trouble guessing the password if it contains numbers it
sounds like he is using brute force and some password guessing tool to
bombarded the server with passwords till the correc t password is
guessed.
If this is the case it maybe that he is remotely attacking the login
page with passwords till it is guessed. In which case make sure you are
running version 7.01 which has anti-bot mesures in the login form to
prevent this.
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Posted By: WebWiz-Bruce
Date Posted: 22 September 2003 at 9:35am
Also make sure you are using passwords that are difficult to guess,
which it sounds like you are doing, with letters and numbers. This will
prevent the user guessing passwords.
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Posted By: l15aRd
Date Posted: 22 September 2003 at 9:36am
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I'm using 7.01, I agree with the brute force thing, most probably Lopthcrack or something similar.
also our firewall are set to reject ping requests, and buonce any port bar 80,21,23, it'll be interesting to find out how they're doing it...
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Posted By: l15aRd
Date Posted: 22 September 2003 at 9:40am
how about adding a number of password tries into a future version then it suspends the account, pending an unlock by admin/moderators, abit like NT based network logins?
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Posted By: WebWiz-Bruce
Date Posted: 22 September 2003 at 9:42am
Your log files may give some clues for page requests for the file login_user.asp.
If he is using a tool on this page to guess passwords it may give some clue.
Also are you using SQL server or Access? If it is Access is the database outside of the web root?
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Posted By: l15aRd
Date Posted: 22 September 2003 at 9:47am
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we use Go.stats as it's a totally seperate site, which logs IP's/Country/Browser, etc, plus our hardware and software firewall logs
Access, and it's outside of the webroot area...
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Posted By: WebWiz-Bruce
Date Posted: 22 September 2003 at 1:11pm
l15aRd wrote:
how about adding a number of password tries into a future
version then it suspends the account, pending an unlock by
admin/moderators, abit like NT based network logins? |
The problem being if it is the admin account that the person is trying
to guess if the account is suspended after 3 attempts the admin can't
login to re-activate their own account.
But I shall look into other solutions.
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Posted By: Eftie
Date Posted: 23 September 2003 at 12:20am
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-boRgThe problem being if it is the admin account that the person is trying to guess if the account is suspended after 3 attempts the admin can't login to re-activate their own account.
But I shall look into other solutions. [/QUOTE wrote:
Maybe not a suspension but an hour time out?? |
Maybe not a suspension but an hour time out??
------------- Eftie
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Posted By: Badaboem
Date Posted: 23 September 2003 at 3:43am
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the sollution could be a newly generated long password after first three attempts. It will be mailed to the admin who obviously only has access to his mail account.
Only problem is not all folks have the email function enabled.
Another fix could be a simple database table with yes/no since the hacker probably wasn't able to download the database. Yes for suspended (lockdown of admin acount after three false logins). Then u could simply change yes to no it in the database and quickly change your password.
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Posted By: michael
Date Posted: 23 September 2003 at 9:36am
This all could become an administration nightmare though, people knowing that can keep doing it and you never have peace with your password. One idea could be, that admins are able to associate their account with one or more ip classes. so if you i.e. have in your account that you can only login from 125.2.*.* as well as 128.0.*.* (multiple cause you might use more then one computer) sure problem if you are somewhere else you could not log in but to have it as an option maybe. For the lockout itself, you could add the ip address of the user to the block list after three attempts, that way they would have to change their ip every time which would become annoying for the hacker last but not least, deny login attempts for like 20 minutes after three attempts so brite force attacks would take forever
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Posted By: l15aRd
Date Posted: 23 September 2003 at 1:02pm
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Sounds like the dail-back on a RAS server, sounds good the adding the IP to a banned list after three attempts, and to add maybe send out an alert to a certain group, like in mine,
We have the admin group, but I did'nt want to risk having more than one user with admin rights, so I created a super moderator group, they can do everything in every forum, bar administer the back end settings, so if someone does hack their password, the most they can do is deleted/edit some posts and delted the SM account (which is no biggy).
The three main owners all know the admin password and if they want to make changes we consult each other first.
This is turning into quite a good brain storming session... :)
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Posted By: God_Struth
Date Posted: 23 September 2003 at 7:31pm
The IP solution is a no goer, there are simply too many people on dial up who will never have a static IP address, which would be required to be able to do this.
Simplest way to keep security tight is to create another "power" user and use it as your main login, only using the admin account to make back end changes. Most people go and give a hacker a head start by calling themselves "Admin" or "Boss Dude" (or something else which implies authority).
A hacker is half way there once he finds out which account to target, so make it difficult by losing the easy to guess Admin names..
(PS. Have a real real hard to guess password, using numbers and letters )
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Posted By: He02
Date Posted: 23 September 2003 at 7:54pm
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[QUOTE=l15aRd]
I'm using 7.01, I agree with the brute force thing, most probably Lopthcrack or something similar.
QUOTE]
Lopthcrack remotely ??
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Posted By: l15aRd
Date Posted: 24 September 2003 at 12:39am
He02 wrote:
Lopthcrack remotely ??
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or something similar like xscan
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Posted By: WebWiz-Bruce
Date Posted: 24 September 2003 at 3:18am
Probally the simplest solution to this is to add a Graphic Security
code, like I have done on the new registration form, that you have to
enter in the unique security code shown in the graphic when logging in.
Will make logging in a bit longer but will prevent remote attacks on
the login page.
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Posted By: l15aRd
Date Posted: 24 September 2003 at 3:52am
Sounds good to me
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Posted By: WebWiz-Bruce
Date Posted: 24 September 2003 at 6:36am
Well I have implemented it on this board if you would like to test the new login page.
It now requires that you enter a unqiue security code when logging in that is shown in graphic format.
If won't completly stop a hacker from guessing passwords but it will
make their task harder as they will have to enter in a new security
code by hand on each attempt that a remote hacking tool won't be able
to read.
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Posted By: huwnet
Date Posted: 24 September 2003 at 12:15pm
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However there is an error in this as i mentioned in oe of my other topics!
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Posted By: fastfred
Date Posted: 26 September 2003 at 4:43am
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Perhaps i am verry lucky person, because not victom of hacking. Is it always needed to login with the security code or is there a possibilty that users don't have to add the code when loggin in?
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Posted By: WebWiz-Bruce
Date Posted: 26 September 2003 at 6:45am
In the next version there will be a boolean in the common.asp file that
you can change to false if you don't want the security code when
logging in.
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Posted By: fastfred
Date Posted: 26 September 2003 at 7:44am
Thanks Borg and already bussy with next version, realy great !!
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Posted By: l15aRd
Date Posted: 03 October 2003 at 9:10am
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this is getting annoying now, I've even stopped the virtual share and point the forum at the db by the pyhsical path, changed my password to something REALLY obscure and he's still getting in..????,
had a look at 7.5 on my local dev site, and what changes nee to be made to 7.1's db to import it into 7.5???
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Posted By: WebWiz-Bruce
Date Posted: 03 October 2003 at 9:16am
Read the sticky topic I have just posted on upgrading from 7.01 to 7.5 full. This should help you upgrade.
If you can findout how they are doing it, let me know, this way I can
have some idea to prevent this from happening if it is not already done.
Your logg files for you site might give an idea of what page they are attacking to get in.
Also if you have Flash enabled it maybe worth disabling this from the
admin area as a Flash file can be written to contain Action Script that
could pass sesitive data to remote site.
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Posted By: l15aRd
Date Posted: 06 October 2003 at 4:53am
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These are the changes I've done:
Disabled all local accounts on the server (bar mine) and changed my password.
Bounce all ports bar 80,21,23
stopped the virtual dir with the db's in and use the physical path
updated to WWG 7.5 beta1
changed the admin password and mine.
removed or changed any passwords in other db's
used gostats, ZA pro and linksys to log attacks,
updated server so it is up-to-date (critical updates, etc)
ran IIS lockdown tool
disabled the use of flash file
AND they're still getting in..???, anyone got any ideas?
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Posted By: WebWiz-Bruce
Date Posted: 06 October 2003 at 5:17am
Could be getting in using FTP and/or directly through the database. I
would make sure your database is secure. It maybe worth disabling FTP
access and change the password if using an SQL server to something
obscure.
Also you can use packet sniffing software, this is partcully bad if
using SQL server on a non-local machine as they could sniff packets as
they cross the network. Packet sniffing software can also be used to
get cookie info and login data as it is sent accross the web.
Maybe moving the forum to some SSL space would be an idea as packets would then be encrypted between browser and server.
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Posted By: l15aRd
Date Posted: 06 October 2003 at 5:39am
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ftp's restricted access and people can only upload to certain areas, the DB's outside of the FTP and html areas, and c$ is unshared, it's most likely packet sniffing software now you come to mention it
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Posted By: Da_Mental_One
Date Posted: 06 October 2003 at 12:14pm
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Since I am one of the other founders/admins of DT I think I should be part of this convo too, so here I am.
Dont know how they've done it, but it seems that Imation has upgraded his account to be in the Admin group...
Also I think that the main admin password has been changed yet again...
Im really starting to get annoyed with this guy
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Posted By: michael
Date Posted: 06 October 2003 at 12:36pm
From the conversation it seems that you are running a server you have full access to, using logfiles you can try getting the users' MAC address which he should not be able to change. Now depending on his HW setup you might not be successful but if you get his MAC Address ( http://www.youngzsoft.net/cc-get-mac-address/ - with a tool like that ) you might be able to block it till he runs out of computers.
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Posted By: l15aRd
Date Posted: 07 October 2003 at 5:47am
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it looks like I've abaited the stem for now, by doing something I didn't want to do, but they've force my hand...
I've banned an IP range from the forum, and if neccessary from the whole site.
I've got one static that he uses and the other address is dynamic so that why the range was blocked, thanks for all your input, I keep you posted about the out come.
BTW we do own our server which does come in handy for dev work, and stuff
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Posted By: Da_Mental_One
Date Posted: 08 October 2003 at 7:58am
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He's still getting in...
Still as annoying as ever and ge still wont tell us how he's doing it...
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Posted By: Da_Mental_One
Date Posted: 13 October 2003 at 11:21am
All seems quiet... think he may have gotten bored...
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Posted By: WebWiz-Bruce
Date Posted: 13 October 2003 at 11:34am
I came across something simular to this before and it turned out in the
end to be one of the forum admins having a laugh and trying to livein
things up a bit.
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Posted By: dvoss
Date Posted: 13 October 2003 at 5:47pm
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>You said it's your own server right -- it's local and you have total access to it? If you already don't have it turned on, go into your extended logging options and turn on URI Stem, URI Query and Cookie.
Change the passwords on the account he's using. When he strikes again, note down the IP and start scanning your logfiles going backwards to find out what he's doing. The page and querystring are important.
If you haven't already done so, you should see if you can get them over to Borg. Out of anyone he'd be the best to figure out if it's a web based attack via the forum.
With an application like TextPad you can "bookmark" all lines when you do a find. You can then copy all bookmarked lines and save in a new file (or delete all nonbookmarked lines) and that will make your logfile smaller. You could even remove requests for plain 'ol images. What's left should be a small zip file.
Some other questions...
Have you disabled or changed all the other accounts which could change admin passwords? It might have been possible he had compromised some other account and used that account to make changes. Maybe you could look up other accounts that had the same IP?
Have you scanned your own personal computers for malicious programs? If one of you had a key logger application on your machines, than no matter what you do, he'll have your password.
< =>
>
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Posted By: WebWiz-Bruce
Date Posted: 14 October 2003 at 1:54am
I think as well it's something on your server or something you have left open.
As usually when a hacker discovers a loop hole in software they are so
big headed that they have to tell everyone and within days the
copremise is on every security and bug tracking site going and loads of
people start reporting that they have been hacked.
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Posted By: l15aRd
Date Posted: 14 October 2003 at 9:15am
we know how he's getting in, but a certificate option is Too exspensive for the size of the site.
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Posted By: dvoss
Date Posted: 14 October 2003 at 11:45am
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l15aRd wrote:
we know how he's getting in, but a certificate option is Too exspensive for the size of the site. |
If you know how he's getting in, have you sent that information to borg? There must be some fix which can be made.
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Posted By: WebWiz-Bruce
Date Posted: 14 October 2003 at 2:41pm
I have a feeling that this is more of a server security problem rather
than soething that can be fixed in the forum to prevent it.
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Posted By: l15aRd
Date Posted: 15 October 2003 at 1:47am
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he's using a packet sniffer and retrieving info from the intercepted packets so it's not a problem with the forum software and generally not a problem (as such) with the security on the server as he can only alter the forum with the passwords he gets, we have blocked a range of addresses that the individual used most frequently, and we have reported him to easynet and blueyonder, who have assured us that they sort it, but he must have access to another computer that uses BT internet, so we have the address of that and if the individual keep gaining access we'll report the ip he's using to them....
unbeknown to the individual we have friends who does that sort of thing of fun as well, he obviously has a very blinkered view on the WWW
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Posted By: dvoss
Date Posted: 17 October 2003 at 11:19am
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That explains it. Thanks for taking the time to explain how we was getting in.
I'm glad you were able to figure out how we was getting access. Hopefully he'll be taken care of and won't hassle you guys anymore.
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Posted By: l15aRd
Date Posted: 20 October 2003 at 7:22am
I'm currently looking into creating my own certificate which I've done, but need to created the reply file, the only way I've found so far is to use openssl which looks like it only comes in the Linux variety, anyone had any experience with created these???
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Posted By: michael
Date Posted: 20 October 2003 at 7:33am
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As you have your own server you can install certificate server, the only problem is that, as it is not a trusted source to your clients they will get a security warning till they add it to their trusted pool. As you said a "normal" certificate is out of your budget I don't think there is any cheaper solution for windows.
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Posted By: Da_Mental_One
Date Posted: 23 October 2003 at 11:38am
I've worked out how to implement the Certificate, just have to do so!
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Posted By: l15aRd
Date Posted: 30 October 2003 at 3:31am
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They've finally told us how they were getting in, which has been plugged, and lets just say it wasn't with the server or the software.
Someone gave me an idea as well, if a user doesn't login to the forums for say a month, would there be anyway that the next time they login it expires their password and they have to change it, abit like the password expirey policies on NT based O/s's???
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Posted By: l15aRd
Date Posted: 30 October 2003 at 3:40am
just had another idea, this one get to be a pain thou, so an option to turn it off might be an idea, but how about if someone is trying to login as a moderator/admin/special group and they get the password wrong the forum sends admin an email stating the username and mail address of the individual and time, so admin can contact them and just let them know that someone or themselve has got the password wrong and should think about changing it....
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Posted By: WebWiz-Bruce
Date Posted: 30 October 2003 at 5:57am
Some good ideas I'll look into implementing some in future versions.
The only problem could be after a month the person may not remeber
their password, but you could set it up that veryone changes their
password every 30 days.
I can see a protetial problem with the email if the password is wrong,
if someone tries 100 times to log in on another account, the forum
admin could be flooded with 100 emails.
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Posted By: Da_Mental_One
Date Posted: 30 October 2003 at 9:49am
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How about it just logs the times and dates and sends out a digest post once a week?
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Posted By: michael
Date Posted: 30 October 2003 at 12:39pm
In applications my company develops we have the main (call it
administrator) account. And if this gets locked we have one account
(call it security account) that can do nothing BUT unlocking accounts.
It could ( as an example of this forum) not make any posts etc.
This way the Admin accounts gets locked on three attempts for example
an a security account needs to be used to unlock it. Now naturally the
security account must not get locked so (in my companies case) in order
to log in to the security account you must have the password of the
security account plus the password of the main administrator account;
this should make it very hard to get by.
Well just my two cents.
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Posted By: WebWiz-Bruce
Date Posted: 30 October 2003 at 2:36pm
Thanks michael I think that is probally the simplest to implement and best idea yet for this type of security on the admin account.
I'll look into implementing something like this that can be used to setup such an account in the admin area.
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Posted By: Da_Mental_One
Date Posted: 10 November 2003 at 1:33pm
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Yeah, sounds like a very good idea.
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