Re: Browser blocking

This WebDNA talk-list message is from

2002

It keeps the original formatting. numero = 44847
interpreted = N
texte = >This browser compatibility discussion got me thinking:>>There actually is about 1.5 % of my visitors I wouldn't mind loosing.>Does anybody have a handy, simple and failsafe way to block access for>all offline browsers?>>I suppose something like this should work:>>[SHOWIF [LOOKUP >db=browserlist.db&lookInField=NAME&value=[BROWSERNAME]&returnField=OFFLINE¬Found=]=True]>[REDIRECT {some goofy page}]>[/SHOWIF]>>I wouldn't call that simple, though. Among other things it'd mean>maintaining a database of all browsers.>>>Frank Nordberg>http://www.musicaviva.comHi Frank,Using a db is a little extreme in this case, because of all the various versions of offline browsers that you would need exact matches for.We were content to just use a handful of showifs (although this would be more elegant using [if] in webcat4):[MATH SHOW=F]COUNT=0[/MATH][SHOWIF [URL][BROWSERNAME][/URL]^[URL]teleport pro[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]Web Whacker[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]CherryPicker[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]SiteSnagger[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]ExtractorPro[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]Digicomb[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]WebReaper[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]DWTE[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]Dllbot[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]DaviesBot[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [URL][BROWSERNAME][/URL]^[URL]Wget[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [COUNT]>0] [REDIRECT http://127.0.0.1/][/SHOWIF]Put this in a global include file (like your navigation.inc) and forget about being whacked.If you prefer the apache way, you can add something like this to your httpd.conf (if you're using apache, that is...):SetEnvIf User-Agent ^WebWhacker block_me Order Allow,Deny Allow from all Deny from env=block_meOf course, neither of these solutions will save you from the new breed of web whackers that let you set your browsername to anything you want. To catch these, err, people, you'll need something more sophisticated like a apache's mod_throttle or a log scraping script that detects excessive requests and dynamically adds them to a blocked list...Good luck.-Dale-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Associated Messages, from the most recent to the oldest:

Re: Browser blocking (Dale LaFountain 2002)
Browser blocking (Frank Nordberg 2002)

>This browser compatibility discussion got me thinking:>>There actually is about 1.5 % of my visitors I wouldn't mind loosing.>Does anybody have a handy, simple and failsafe way to block access for>all offline browsers?>>I suppose something like this should work:>>[SHOWIF [LOOKUP >db=browserlist.db&lookInField=NAME&value=[browsername]&returnField=OFFLINE¬Found=]=True]>[REDIRECT {some goofy page}]>[/SHOWIF]>>I wouldn't call that simple, though. Among other things it'd mean>maintaining a database of all browsers.>>>Frank Nordberg>http://www.musicaviva.comHi Frank,Using a db is a little extreme in this case, because of all the various versions of offline browsers that you would need exact matches for.We were content to just use a handful of showifs (although this would be more elegant using [if] in webcat4):[MATH SHOW=F]COUNT=0[/MATH][SHOWIF [url][browsername][/URL]^[url]teleport pro[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]Web Whacker[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]CherryPicker[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]SiteSnagger[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]ExtractorPro[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]Digicomb[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]WebReaper[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]DWTE[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]Dllbot[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]DaviesBot[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [url][browsername][/URL]^[url]Wget[/URL]][MATH SHOW=F]COUNT=1[/MATH][/SHOWIF][SHOWIF [COUNT]>0] [REDIRECT http://127.0.0.1/][/SHOWIF]Put this in a global include file (like your navigation.inc) and forget about being whacked.If you prefer the apache way, you can add something like this to your httpd.conf (if you're using apache, that is...):SetEnvIf User-Agent ^WebWhacker block_me Order Allow,Deny Allow from all Deny from env=block_meOf course, neither of these solutions will save you from the new breed of web whackers that let you set your browsername to anything you want. To catch these, err, people, you'll need something more sophisticated like a apache's mod_throttle or a log scraping script that detects excessive requests and dynamically adds them to a blocked list...Good luck.-Dale-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://search.smithmicro.com/ Dale LaFountain

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Re: Browser blocking

2002

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