Topic: Captcha for 1.3 ?

hi,

I had 1.2 and i reliazed in some time that it was a heaven for spammers. I was getting about 10 registrations and about 5 posts every day by spammers of nude sites etc.

I have shifted to 1.3 in hope that its not going to be an disappointment like 1.2. Is there any captcha extension that i can put on registration, login, post and reply ?

Thanks.

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Re: Captcha for 1.3 ?

Huh? hmm
Both 1.2 and 1.3 are built to be forums. Anti-spam features (beyond basic access control stuff) is not bundled with either version (for several reasons that I can talk about if you want). If that's your criteria, then both versions are going to be a "disappointment." However, 1.2 has plenty of anti-spam modifications that people have written. Applying those that suit your forum is the best way to go.

Re: Captcha for 1.3 ?

Hi,

I applied the askimet anti-spam and it worked for quite some time, but after few days I reliazed that users and spammers both were unable to make posts because while askimet was checking it used to time out and then the posts would'nt get submitted. Weird. Anyways if there's some simple captcha thign for 1.3 then it will help.

Thanks.

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Re: Captcha for 1.3 ?

kikloo wrote:

I applied the askimet anti-spam and it worked for quite some time, but after few days I reliazed that users and spammers both were unable to make posts because while askimet was checking it used to time out and then the posts would'nt get submitted.

Here you go: http://www.punres.org/viewtopic.php?id=1850&p=4

Bert Garcia - When all you have is a keyboard

Re: Captcha for 1.3 ?

Hi,

Will this work on 1.3 also ?

Thanks.

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Re: Captcha for 1.3 ?

kikloo wrote:

Will this work on 1.3 also ?

Yes: http://punbb.informer.com/forums/topic/ … rotection/

Bert Garcia - When all you have is a keyboard

Re: Captcha for 1.3 ?

Is it possible to imagine that 1.3 will be installed automatically with an anti-spam extension? (or with an automatic anti-spam proposal?)

It should be a good idea: this extension can be kept, can be removed, or can be replaced by another anti-spam extension. But the giant advantage is that a non-geek person will immediatly be able to use FluxBB. Because some Punbb/FluxbB modes cannot be used without modification (i.e. the "guest authorised to post" mode cannot be used).

You decided to not include anti-spam as a core function because there is no real universal answer to fight spam. This is true. But keep in mind than you will lose a lot of users:

I saw an example few days ago (http://ljouanneau.com/blog/post/2008/10 … -vs-phorum - Sorry, it a French example). After 5 year with phorum and without spam, the author decided to try to use punbb on another server. Spam was immediately coming and its first idea was to remove punbb. Eventually he decided to add a captcha. But in the comments we can found another pesrson saying "[...]Now 10 spams per day... forum becomes unusable [...] I will use another system [...]"

Don't you think it may be sad to lose or repel some users as quickly?

The another solution (better?): at the end of the installation, a window asks to the user "It could be a good idea to install now an anti-spam extension. You can install one of the following ones: .....(*) or pass this step (at your own risk)."

(*) Here, the list of all the official anti-spam extensions.

Last edited by Gil (2008-12-12 22:41:43)

Re: Captcha for 1.3 ?

Gil wrote:

I saw an example few days ago (http://ljouanneau.com/blog/post/2008/10 … -vs-phorum - Sorry, it a French example).

Yes, Phorum has some nice anti-spam measures that ship with the base install:

Spam Hurdles Module
Let those spammers jump hoops and trip over hurdles...
This module sets up some hurdles for forum spammers. It implements both interactive (CAPTCHA) and non-interactive anti-spam methods to keep away spam bots. On this page, you can control exactly what spam hurdles to enable.

Non interactive spam blocking methods for posting messages
What action has to be taken when blocking a message?     
Block message forms that are submitted multiple times
Block message forms that are submitted too quickly    
Check if an HTML commented form field is submitted
Let the browser sign the message using JavaScript
Interactive CAPTCHA
Let visitors solve a CAPTCHA when registering a new account?
Let visitors solve a CAPTCHA when posting a new message
Which type of CAPTCHA?
Enable spoken CAPTCHA? You will need the program "Flite" for this.
What is full path of the "flite" executable? (e.g. /usr/bin/flite)

The CAPTCHA on new accounts registration stopped all the bot signups for me.

As for PunBB, it's being targeted big time by spammers, so yes, I agree something needs to be shipped with core.

Bert Garcia - When all you have is a keyboard

Re: Captcha for 1.3 ?

Gil: The problem is that whatever anti-spam method we include by default becomes a target. So it doesn't eliminate the people complaining about spam, it just means that our anti-spam measures work for a time and then don't.
Different forums require different features. I don't think a CAPTCHA should be included by default for that reason. Same argument for Akismet or other anti-spam services. However, the options need to be easily accessible for people who need it.

Re: Captcha for 1.3 ?

Smartys wrote:

However, the options need to be easily accessible for people who need it.

How about a readme.html file?

Just wanted to say that PunBB being targeted is good news, that means the script is getting popular. And the only thing I've had to deal with over the years is spam, not break ins, then it's secure.

Bert Garcia - When all you have is a keyboard

11

Re: Captcha for 1.3 ?

Smartys wrote:

Gil: The problem is that whatever anti-spam method we include by default becomes a target. So it doesn't eliminate the people complaining about spam, it just means that our anti-spam measures work for a time and then don't.
Different forums require different features. I don't think a CAPTCHA should be included by default for that reason. Same argument for Akismet or other anti-spam services. However, the options need to be easily accessible for people who need it.

You didn't read exactly what I said. OK, I can understand that you don't want to include "in the core" one particular anti-spam method among others (it could be discutable, but I can understand). But to include "in the core" during FluxBB installation the automatic ability to install one of the official anti-spam extension seems to be a very good (of course, it is mine smile) idea:

      [no core impact - your wish:]

  • no particular method in the core, or even fixed or imposed,

  • each extension can be modified, corrected, upgraded without changing the core,

  • the list of proposed methods (extensions) can be modified or increased without changing core too.

      [user-friendly:]

  • a new user is warned it is advisable to install an anti-spam method,

  • this user has the choice of anti-spam method among officials ones,

  • his choice is totally guided,

  • the installation after the choice is totally automatic,

  • the user can bypass this installation, if he do not want anti-spam, or if he want to install non-official extension,

Of course, the consequence is that FluxBB during installation should be able to automatically connect official site and to list among officials extension the anti-spam ones (but it can, if offline, display an advertisement).

Re: Captcha for 1.3 ?

A few extensions could ship with flux and be checked at installation time for example.

An extenstion I think it should be included is a link posting post count threshold (was that english?).
Like... it would be cool if the admin could define after how many posts and/or days a user could post links.

Re: Captcha for 1.3 ?

The point is what you think should be included others don't, thats why they're better as extensions in the first place.

Re: Captcha for 1.3 ?

I can sorta understand I think where the developers are getting at. If one form of anti spam (whatever you wanna call it) doesn't work. It being apart of core is probably a bad thing because you can't easily remove it. If it was an extension you could uninstall and use something that may exist that may be a little better.

Last edited by The Fiddler (2008-12-14 05:10:48)

Re: Captcha for 1.3 ?

Hi,

In the end i would say that a simple captcha with enable / disable in admins should be there for at the new user registration. If you cannot put this for any reason then its very sad. Every forum that is coming out has this basic functionality.

You should put atleast the basic security features in the script so it shows that it can do some thing instead of giving your personal reasons. You say if you put anti-spam it will be broken, but till its broken it will stop the spammers. And i have seen that mostly the simple md5 based captcha's are broken by spammers. Almost every site is now a days using image based captcha's so whats the issue with punbb ?

You think simple md5 captcha's will be broken ? Put some random key thing in it, so on everywebsite the catcha is unique, if you know what i mean ? Admin can put his own random words which will mix with original captcha text so that the resulting md5 code is always unique on each website.

Rest is upto you, but remember fluxbb / punbb are the most easiest resource for spammers. I had punbb and fluxbb on 2 different websites and i noticed the registration of spammers on both sites at the same time. This clearly shows how much pun/fluxbb is being hit by spammers.

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Re: Captcha for 1.3 ?

If it's a rebuttal you want, it's a rebuttal you'll get wink


kikloo wrote:

In the end i would say that a simple captcha with enable / disable in admins should be there for at the new user registration. If you cannot put this for any reason then its very sad. Every forum that is coming out has this basic functionality.

"Everyone else is doing it" is not valid reasoning. There are plenty of reasons for allowing administrators a CHOICE of anti-spam functionality.

kikloo wrote:

You should put atleast the basic security features in the script so it shows that it can do some thing instead of giving your personal reasons.

A CAPTCHA has nothing to do with security. FluxBB is very secure.

kikloo wrote:

You say if you put anti-spam it will be broken, but till its broken it will stop the spammers.

http://en.wikipedia.org/wiki/Arms_race
Not what we're aiming for, especially since any broken anti-spam solutions would remain broken.

kikloo wrote:

And i have seen that mostly the simple md5 based captcha's are broken by spammers. Almost every site is now a days using image based captcha's so whats the issue with punbb ?

  • OCR software can break many visual CAPTCHAs

  • It adds a dependency on image manipulation functions

  • It decreases the accessibility of the software (this can be addressed by the addition of audio CAPTCHAs, which then present more dependency issues: this can be addressed by using an external service, which then presents issues for forums that can not contact external services or whose administrators do not want to use such a service

The goal of FluxBB is to be lightweight. That does not preclude anti-spam solutions from being included, but it does mean that we have to consider very carefully what features are added in. I don't think anybody is willing to argue that spam is not an issue and that FluxBB needs to handle it better. However, you can not just slap a CAPTCHA on a form and declare it spam free. The world doesn't work that way. Different people have different needs from a forum software and FluxBB should not preclude one group just to satisfy another.

Re: Captcha for 1.3 ?

You can use recaptcha if you want, should be pretty easy to integrate.

Re: Captcha for 1.3 ?

Hi,

I don't want any rebuttal etc. Just trying to encourage you:

1. Everyone is doing it means it is really required and you should also do it.
2. If its secure then why its being hit by spammers ? Where is the spam protection ?
3. I have put a simple captcha for fluxbb as discussed in some other thread and till now there has been no spam activity at all on the forum. So captcha's are still effective and kicking.
4. OCR softwares can only crack simple captcha's which are written in simple ways, if you make it a bit complex then OCRs fail.
5. If it add's a dependency then what ? Its required so where there are so many other dependencies then lets have one more.
6. Why use external if internal is available ? So put internally, no issues.

Who says that by putting a captcha will make fluxbb spam free ? By putting a captcha it will reduce the number of spam that comes in and i must say the results are way too good. If you think that by putting something in will make it spam free then world does'nt works that way. You begin by taking the first step and thats how the world works. So take the first step and add the captcha. Get response from users, if not satisfied then remove it. Its not so big deal. Rest is upto you, i ain't gonna waste anymore time on this. When your users are telling you even then you arfe not willing to do then what's the point ?

You bet on us like we bet on you!

Thanks.

Last edited by kikloo (2008-12-16 06:54:56)

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Re: Captcha for 1.3 ?

kikloo wrote:

Hi,

I don't want any rebuttal etc. Just trying to encourage you:

red rag to bull.

1. Everyone is doing it means it is really required and you should also do it.

but everyone is not doing it - proof - I'm not.

2. If its secure then why its being hit by spammers ? Where is the spam protection ?

Security is for stopping malicious code, not spammers

3. I have put a simple captcha for fluxbb as discussed in some other thread and till now there has been no spam activity at all on the forum. So captcha's are still effective and kicking.

until its broken perhaps. Not all spam comes from automated means though.

4. OCR softwares can only crack simple captcha's which are written in simple ways, if you make it a bit complex then OCRs fail.

captcha's are broken all the time, even those that look like they can't be cracked. there is a page somewhere that lists a lot of them.

5. If it add's a dependency then what ? Its required so where there are so many other dependencies then lets have one more.

HUH! by your definition then a lot of the extensions should become core - which rather misses the point somewhat. Why add this one, and not that one, or this one over here - it would become an endless list. This is why there is an extension system.

6. Why use external if internal is available ? So put internally, no issues.

see answer to point 5.


Surely just adding an extension, which anyone that wishes to use it is far far easier than what you are suggesting.

my mind is on a permanent tangent

Re: Captcha for 1.3 ?

Bollox!

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Re: Captcha for 1.3 ?

scuse me?

my mind is on a permanent tangent

Re: Captcha for 1.3 ?

Rich Pedley wrote:

scuse me?

I'd guess (he|she)'s referring to the tripe they've been posting. big_smile

Re: Captcha for 1.3 ?

lol

my mind is on a permanent tangent

24

Re: Captcha for 1.3 ?

[Calimero mode on] sniff...nobody...sniff...is reading... sniff... what I said...sniff... [Calimero mode off]

Re: Captcha for 1.3 ?

Gil wrote:

[Calimero mode on] sniff...nobody...sniff...is reading... sniff... what I said...sniff... [Calimero mode off]

lol

I just re-read it if that helps!

Actually I don't like the idea - if people want an anti-spam extension then they wilbe able to find them in the extension repository that will be set up (I hope that is still going ahead). So just a link to where more extensions can be found would be enough - IMHO

my mind is on a permanent tangent