Safe? Handler Name Command Notes
X callto URL: CallTo Protocol rundll32.exe msconf.dll,CallToProtocolHandler %l
X callto Skype Protocol Handler C:\Program Files\Skype\Phone\Skype.exe "/callto:%1"
X feed URL:feed protocol C:\Program Files\FeedDemon\FeedDemon.exe "%1"
X feed URL:Feed Protocol F:\PROGRA~1\MOZILL~2\THUNDE~1.EXE -mail %1
X feed URL: Morpheus Protocol C:\Program Files\Morpheus\Morpheus.exe "%1"
X feed URL:Outlook Add RSS Feed C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X feeds URL:Outlook Add RSS Feed C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X file URL:File Protocol C:\Program Files\eMule\eMule.exe "%1"
X Firefox.Url URL:HyperText Transfer Protocol C:\USERS\MARCIA\DESKTOP\FIREFOX.EXE -url "%1"
X FirefoxURL Firefox URL C:\DOWNLO~1\FIREFO~1.3\FIREFOX.EXE -url "%1" -requestPending
X ftp URL:File Transfer Protocol C:\DOWNLO~1\FIREFO~1.3\FIREFOX.EXE -url "%1" -requestPending
X ftp URL:FTP (File Transfer Protocol) C:\PROGRA~1\MOZILLA.ORG\SEAMON~1\SEAMON~1.EXE -url "%1"
X ftp URL : Protocole File Transfer (FTP) C:\PROGRA~1\MOZILL~1\FIREFOX.EXE -requestPending -osint -url "%1"
X gopher URL:Gopher Protocol C:\DOWNLO~1\FIREFO~1.3\FIREFOX.EXE -url "%1" -requestPending
X gopher URL:Gopher-Protokoll C:\PROGRA~1\MOZILLA.ORG\SEAMON~1\SEAMON~1.EXE -url "%1"
X gtalk URL:Gopher Protocol C:\Program Files\Google\Google Talk\googletalk.exe "/%1"
X HTTP URL:HTTP (HyperText Transfer Protocol) C:\PROGRA~1\MOZILLA.ORG\SEAMON~1\SEAMON~1.EXE -url "%1"
X http URL:HyperText Transfer Protocol C:\PROGRA~1\MOZILL~1\FIREFOX.EXE -requestPending -osint -url "%1"
X HTTP URL: http Protocol C:\Program Files\Mozilla Firefox-trunk\firefox\firefox.exe %1
X HTTP URL:HyperText Transfer Protocol C:\Program Files\Minefield\firefox.exe -requestPending -osint -url "%1"
X https URL : Protocole HyperText Transfer with Privacy C:\PROGRA~1\MOZILL~1\FIREFOX.EXE -requestPending -osint -url "%1"
X https URL:HyperText Transfer Protocol with Privacy C:\DOWNLO~1\FIREFO~1.3\FIREFOX.EXE -url "%1" -requestPending
X https URL:HTTPS (HyperText Transfer Protocol with Privacy) C:\PROGRA~1\MOZILLA.ORG\SEAMON~1\SEAMON~1.EXE -url "%1"
X IE.FTP URL:File Transfer Protocol C:\Program Files\Internet Explorer\iexplore.exe %1
X IE.HTTP URL:HyperText Transfer Protocol C:\Program Files\Internet Explorer\iexplore.exe -nohome
X IE.HTTPS URL:HyperText Transfer Protocol with Privacy C:\Program Files\Internet Explorer\iexplore.exe -nohome
X irc URL:IRC Protocol C:\Program Files\X-Chat\xchat.exe "%1"
X ircs URL:IRC SSL Protocol C:\Program Files\X-Chat\xchat.exe "%1"
X mailto URL:MailTo Protocol C:\Program Files\Mozilla Thunderbird\thunderbird.exe -compose "%1"
X mailto URL:Mail Protocol %ProgramFiles%\Windows Mail\WinMail.exe /mailurl:"%1"
X mailto URL:MailTo-protocol %ProgramFiles%\Outlook Express\msimn.exe /mailurl:%1
X mms URL:mms Protocol F:\Program Files\Windows Media Player\wmplayer.exe "%L" mms://live.wildlife.wavelit.net/af5791-3
X MMST URL:mmst Protocol C:\Program Files\Windows Media Player\wmplayer.exe "%L"
X mmst URL:mmst Protocol F:\Program Files\Windows Media Player\wmplayer.exe "%L"
X MMSU URL:mmsu Protocol C:\Program Files\Windows Media Player\wmplayer.exe "%L"
X mmsu URL:mmsu Protocol F:\Program Files\Windows Media Player\wmplayer.exe "%L"
X NavigatorURL Navigator URL C:\PROGRA~1\NETSCAPE\NAVIGA~1\NAVIGA~1.EXE -url "%1" -requestPending
X news URL:News-protocol %ProgramFiles%\Outlook Express\msimn.exe /newsurl:"%1"
X news URL:News Protocol C:\Program Files\Mozilla Thunderbird\thunderbird.exe -mail "%1"
X nntp URL:NNTP-protocol %ProgramFiles%\Outlook Express\msimn.exe /newsurl:"%1"
X nntp URL:NNTP Protocol C:\Program Files\Mozilla Thunderbird\thunderbird.exe -mail "%1"
X oms URL:NNTP プロトコル rundll32.exe C:\PROGRA~1\MICROS~2\Office12\OMSMAIN.DLL, OmsProtocolHandler %1
X outlook URL Outlook Folders C:\PROGRA~1\MICROS~2\Office10\OUTLOOK.EXE "%1" outlook:Inbox\Spam%20list
X outlook URL:Outlook Folders C:\PROGRA~1\MI1933~1\OFFICE11\OUTLOOK.EXE /select "%1"
X Outlook.URL.feed URL:Outlook Add RSS Feed C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X Outlook.URL.mailto URL:MailTo Protocol C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE -c IPM.Note /m "%1"
X Outlook.URL.webcal URL:Outlook Add Internet Calendar C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X outlookfeed URL:Outlook Add RSS Feed C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X outlookfeeds URL:Outlook Add RSS Feed C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X Pnm RealNetworks Streaming Protocol C:\Program Files\Real\RealPlayer\RealPlay.exe "%1" pnm://edtech3.montclair.edu/furrg/Achebeanalysis.rm
X SCP URL: SCP Protocol C:\Programme\WinSCP\WinSCP.exe "%1"
X SFTP URL: SFTP Protocol C:\Programme\WinSCP\WinSCP.exe "%1"
X snews URL:Snews Protocol C:\Program Files\Mozilla Thunderbird\thunderbird.exe -mail "%1"
X snews URL:Snews-protocol %ProgramFiles%\Outlook Express\msimn.exe /newsurl:"%1"
X telnet URL : protocole Telnet rundll32.exe url.dll,TelnetProtocolHandler %l telnet://host
X telnet URL:Telnet-protocol rundll32.exe url.dll,TelnetProtocolHandler %l
X telnet URL:Telnet Protocol rundll32.exe url.dll,TelnetProtocolHandler %l
X Thunderbird.Url.mailto Thunderbird URL C:\Program Files\Mozilla Thunderbird\thunderbird.exe -compose "%1"
X Thunderbird.Url.news Thunderbird (News) URL C:\Program Files\Mozilla Thunderbird\thunderbird.exe -mail "%1"
X webcal URL: Ultravox Protocol rundll32.exe C:\PROGRA~1\AOL9~1.0\WEBCAL~1.DLL,WebCalHandler %1
X Webcal URL:TN3270 Protocol rundll32.exe C:\PROGRA~1\AMERIC~1.0\WEBCAL~1.DLL,WebCalHandler %1
X webcal URL:Ventrilo Protocol rundll32.exe C:\PROGRA~1\AMERIC~1.0\WEBCAL~1.DLL,WebCalHandler %1
X webcal URL:Webcal Protocol %ProgramFiles%\Windows Calendar\wincal.exe /webcal "%1"
X webcal URL:Outlook Add Internet Calendar C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X webcals URL:Outlook Add Internet Calendar C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"
X WindowsCalendar.UrlWebcal.1 URL:Webcal Protocol %ProgramFiles%\Windows Calendar\wincal.exe /webcal "%1"
X WindowsMail.Url.Mailto URL:Mail Protocol %ProgramFiles%\Windows Mail\WinMail.exe /mailurl:"%1"
X WindowsMail.Url.news URL:News Protocol %ProgramFiles%\Windows Mail\WinMail.exe /newsurl:"%1"
X WindowsMail.Url.nntp URL:NNTP Protocol %ProgramFiles%\Windows Mail\WinMail.exe /newsurl:"%1"
X WindowsMail.Url.snews URL:Snews Protocol %ProgramFiles%\Windows Mail\WinMail.exe /newsurl:"%1"
X WMP11.AssocProtocol.MMS URL:mms Protocol %ProgramFiles%\Windows Media Player\wmplayer.exe "%L"
X ymsgr URL: YMessenger Protocol C:\Program Files\Yahoo!\Messenger\YahooMessenger.exe %1

acrobat URL:Acrobat Protocol C:\Program Files\Adobe\Acrobat 7.0\Reader\AcroRd32.exe /u "%1"

acsui URL:acsui resource id C:\Program Files\Common Files\AOL\ACS\AOLDial.exe -%l

aim URL: AOL Instant MO\HKCR\aim\ C:\Program Files\AIM6\aim6.exe /d locale=en-US ee://aol/imApp %1 Need to verify valid chars

AIM URL: AOL Instant Messenger Protocol Rundll32.exe "C:\Program Files\Trillian\plugins\aim.dll", aim_util_urlHandler url="%1" ini="C:\Program Files\Trillian\users\default\cache\pending_aim.ini" aim:GoIm?screenname=niteblade4&message=It+Works

aim URL: AOL Instant Messenger Protocol C:\Program Files\AIM\aim.exe %1

aim URL:AIM Protocol RUNDLL32.EXE C:\PROGRA~1\MIRAND~1\Plugins\aim.dll,_aim_links_exec@16 %1

Allc8.Commands.2 All inPlay Poker command file F:\PROGRA~1\ALLINP~1\CRAZYE~1\bin\allc8.exe %1 %2

AllHoldem.Commands.2 All inPlay Poker command file F:\PROGRA~1\ALLINP~1\holdem\bin\allholde.exe %1 %2

AllPoker.Commands.2 All inPlay Poker command file F:\PROGRA~1\ALLINP~1\poker\bin\allpoker.exe %1 %2

aolautofix URL:AOL Autofix Protocol C:\Program Files\Common Files\AOL\Launch\AOLLaunch.exe /d locale=en-us ee://aol/autofixDriver/autofixDriverObject "%1"

aolds All inPlay Poker command file AOLLaunch.exe /d locale=en-US ee://aol/browserapp -s %1

bc URL: BitComet Transfer Protocol C:\Program Files\BitComet\BitComet.exe

bctp URL: BitComet Transfer Protocol C:\Program Files\BitComet\BitComet.exe

bittorrent TORRENT File C:\Program Files\BitTorrent\bittorrent.exe --responsefile "%1"

camfrog URL: Camfrog Protocol C:\Program Files\Camfrog\Camfrog Video Chat\CamfrogHandler.exe %l

csi URL:CSI Resource ID C:\Program Files\CompuServe 6.0\cs.exe -u"%1"

CVS URL:CVS Protocol C:\Program Files\TortoiseCVS\TortoiseAct.exe -u "%1"

daap URL:Digital Audio Access Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

ed2k URL: ed2k Protocol C:\Program Files\eMule\eMule.exe "%1"

ed2k URL:eDonkey2000 Protocol C:\Program Files\Shareaza\Shareaza.exe "%L" ed2k://|file|The_Two_Towers-The_Purist_Edit-Trailer.avi|14997504|965c013e991ee246d63d45ea71954c4d|/

Explorer.AssocProtocol.search-ms Windows Search Protocol %SystemRoot%\Explorer.exe /separate,/idlist,%I,%L

fdaction URL:fdaction protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

gizmoproject URL: Gizmo Project Protocol F:\Program Files\Gizmo Project\Gizmo.exe -dial "%1"

gnet URL:Gnutella Protocol C:\Program Files\Shareaza\Shareaza.exe "%L"

gnutella URL:Gnutella Protocol C:\Program Files\Shareaza\Shareaza.exe "%L"

gsarcade URL:GameSpy Arcade Protocol C:\PROGRA~1\MOZILL~1\FIREFOX.EXE -requestPending -osint -url "%1"

HCP Help Center Pluggable Protocol %SystemRoot%\PCHEALTH\HELPCTR\Binaries\HelpCtr.exe -FromHCP -url "%1"

icquser ICQ User C:\Program Files\ICQ6\ICQLRun.exe %1

ICY URL: SHOUTcast Protocol C:\Program Files\Winamp\winamp.exe %1

imesync URL:IME external dictionary protocol C:\PROGRA~1\COMMON~1\MICROS~1\IME12\IMEJP\IMJPTCKT.EXE "%1"

itms URL:iTunes Music Store Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

itmss URL:iTunes Music Store Secure Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

itpc URL:iTunes Podcast C:\Program Files\iTunes\iTunes.exe /url "%1"

iTunes.AssocProtocol.daap URL:Digital Audio Access Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

iTunes.AssocProtocol.itms URL:Digital Audio Access Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

iTunes.AssocProtocol.itmss URL:Digital Audio Access Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

iTunes.AssocProtocol.itpc URL:Digital Audio Access Protocol C:\Program Files\iTunes\iTunes.exe /url "%1"

iTunes.AssocProtocol.pcast URL:iTunes Podcast C:\Program Files\iTunes\iTunes.exe /url "%1"

joost URL: SHOUTcast Protocol C:\Program Files\Joost\xulrunner\tvprunner.exe "C:\Program Files\Joost\application.ini" "%1"

LDAP URL:LDAP Protocol C:\Program Files\Outlook Express\wab.exe /ldap:%1

M4MacDrive
C:\Program Files\Mediafour\MacDrive 7\MacDrive.exe /url:%1

magnet URL:Magnet Protocol C:\Program Files\Shareaza\Shareaza.exe "%L"

magnet URL:MagNet Protocol C:\Program Files\LimeWire\LimeWire.exe "%L"

magnet URL: Morpheus Protocol C:\Program Files\Morpheus\Morpheus.exe "%1" magnet:?xt=urn:btih:VGQGMZ3T34IF464BRWZ2WBVXRD74QBTG

mapi Microsoft Office Outlook Replication MAPI Protocol Handler C:\PROGRA~1\MICROS~1\Office12\OUTLOOK.EXE -c IPM.Note /m "%1"

mapi
%ProgramFiles%\Windows Mail\WinMail.exe /mailurl:"%1"

mc12 URL: mc12 Protocol C:\Windows\System32\MC12.exe /Protocol "%L"

mediajukebox URL: mediajukebox Protocol C:\Windows\System32\MC12.exe /Protocol "%L"

Morpheus URL: Morpheus Protocol C:\Program Files\Morpheus\Morpheus.exe "%1"

Mozilla Thunderbird.Url.Mailto URL:MailTo Protocol C:\PROGRA~1\MOZILL~2\THUNDE~1.EXE -compose "%1"

mp2p URL:Piolet Protocol C:\Program Files\Shareaza\Shareaza.exe "%L"

mpodcast URL: Morpheus Protocol C:\Program Files\Morpheus\Morpheus.exe "%1"

MSBD URL:msbd Protocol C:\Program Files\Windows Media Player\wmplayer.exe "%L"

msbd URL:msbd Protocol F:\Program Files\Windows Media Player\wmplayer.exe "%L"

msdigitallocker URL:Digital Locker Protocol %SystemRoot%\DigitalLocker\digitalx.exe %1

Outlook.URL.stssync URL:Outlook Add Sharepoint Folder C:\PROGRA~1\MICROS~2\Office12\OUTLOOK.EXE /share "%1"

P2P URL:P2P Protocol C:\PROGRA~1\TVAnts\Tvants.exe "%L"

pando
C:\Program Files\Pando Networks\Pando\Pando.exe "%1"

pcast URL:iTunes Podcast C:\Program Files\iTunes\iTunes.exe /url "%1"

picasa Picasa Command protocol C:\Program Files\Picasa2\Picasa2.exe "%1"

plaxo URL: Plaxo Protocol F:\Program Files\Plaxo\2.5.6.21\plx_link.exe -command="%1"

Play URL:synacast Protocol C:\Program Files\PPLive\PPLive.exe "%1"

podcast URL: Morpheus Protocol C:\Program Files\Morpheus\Morpheus.exe "%1"

podcast URL: podcast Protocol C:\Windows\System32\MC12.exe /Subscribe "%L"

ppmate URL:PPMate P2P Streaming Protocol C:\Users\Martijn\AppData\Local\VirtualStore\Program Files\PPMate\ppmate.exe "%1"

ppmates URL:PPMate P2P Streaming Protocol Command C:\Program Files\PPMate\ppmate.exe "%1"

ppmates URL:PPMate P2P Streaming Protocol CommandogwA'{oHKCR\ppmates\ C:\Users\Martijn\AppData\Local\VirtualStore\Program Files\PPMate\ppmate.exe "%1"

ppstream URL:ppstream Protocol C:\Program Files\PPStream\PPStream.exe -ppstream %1

ppstream URL:PPMate P2P Streaming Protocol C:\Users\Martijn\AppData\Local\VirtualStore\Program Files\PPMate\ppmate.exe "%1"

Prls.IntAppFile.Ftp URL:File Transfer Protocol C:\Program Files\Parallels\Parallels Tools\SIA\sharedintapp.exe "%1"

Prls.IntAppFile.Http URL:HyperText Transfer Protocol C:\Program Files\Parallels\Parallels Tools\SIA\sharedintapp.exe "%1"

Prls.IntAppFile.Https URL:HyperText Transfer Protocol with Privacy C:\Program Files\Parallels\Parallels Tools\SIA\sharedintapp.exe "%1"

Prls.IntAppFile.Mailto URL:Mail Transfer Protocol C:\Program Files\Parallels\Parallels Tools\SIA\sharedintapp.exe "%1"

quicktime URL:QuickTimePlayer Protocol C:\PROGRA~1\QUICKT~1\QuickTimePlayer.exe -u"%1"

RealPlayer.AutoPlay.6 RealPlayer AutoPlay for MP3/Video CD C:\Program Files\Real\RealPlayer\RealPlay.exe /autoplay "%1"

RealPlayer.CDBurn.6 RealPlayer AutoPlay for Blank CD C:\Program Files\Real\RealPlayer\RealPlay.exe /burn "%1"

rhap URL: Rhapsody Protocol F:\Program Files\Jambase Rhapsody\Rhapsody.exe "%1"

rlogin URL : Protocole RLogin rundll32.exe url.dll,TelnetProtocolHandler %l

rlogin URL:RLogin-protocol rundll32.exe url.dll,TelnetProtocolHandler %l

rlogin URL:RLogin Protocol rundll32.exe url.dll,TelnetProtocolHandler %l

rtsp Real-Time Streaming Protocol C:\Program Files\Real\RealPlayer\RealPlay.exe "%1"

rtsp URL: RealTime Streaming Protocol C:\Program Files\K-Lite Codec Pack\Media Player Classic\mplayerc.exe "%1"

SC URL: SHOUTcast Protocol C:\Program Files\Winamp\winamp.exe %1

search-ms Windows Search Protocol %SystemRoot%\Explorer.exe /separate,/idlist,%I,%L

shareaza URL:Shareaza P2P C:\Program Files\Shareaza\Shareaza.exe "%L"

Shell URL:RLogin Protocol %SystemRoot%\Explorer.exe /idlist,%I,%L

Shell Real-Time Streaming Protocol %SystemRoot%\Explorer.exe /idlist,%I,%L

Shell URL: SHOUTcast Protocol %SystemRoot%\Explorer.exe /idlist,%I,%L

Shell URL:Shareaza P2P %SystemRoot%\Explorer.exe /idlist,%I,%L Not sure what is going on with shell

Shell URL: RealTime Streaming Protocol %SystemRoot%\Explorer.exe /idlist,%I,%L

Shell URL: SFTP Protocol %SystemRoot%\Explorer.exe /idlist,%I,%L

Shell URL : Protocole RLogin %SystemRoot%\Explorer.exe /idlist,%I,%L

SHOUT URL: SHOUTcast Protocol C:\Program Files\Winamp\winamp.exe %1

sig2dat URL: sig2dat Protocol C:\Program Files\KaZaA Lite\sig2dat.exe %1

sip Session Initiation Protocol C:\Program Files\SJLabs\SJphone\SJphone.exe %1

sip URL: SIP Protocol F:\Program Files\Gizmo Project\Gizmo.exe -dial "%1"

skype URL:Skype Protocol C:\Program Files\Skype\Phone\Skype.exe "/uri:%l"

skype Skype Protocol Handler C:\Program Files\Skype\Phone\Skype.exe "/uri:%1" Same as callto?

sop SopCast sop protocol C:\Program Files\SopCast\SopCast.exe "%1"

steam URL:steam protocol C:\Program Files\Valve\Steam\Steam.exe "%1"

stssync URL:Outlook Add Sharepoint Folder C:\PROGRA~1\MI1933~1\OFFICE11\OUTLOOK.EXE /stssync "%1"

svn URL:SVN Protocol C:\Program Files\TortoiseSVN\bin\TortoiseProc.exe /command:repobrowser /path:"%1"

svn+ssh URL:SVN+SSH Protocol C:\Program Files\TortoiseSVN\bin\TortoiseProc.exe /command:repobrowser /path:"%1"

Synacast URL:synacast Protocol C:\Program Files\PPLive\PPLive.exe "%1"

tn3270 URL:TN3270 Protocol rundll32.exe url.dll,TelnetProtocolHandler %l

tn3270 URL:TN3270-protocol rundll32.exe url.dll,TelnetProtocolHandler %l

torrent TORRENT File C:\Program Files\BitTorrent\bittorrent.exe --responsefile "%1"

TSCRec4 URL:TN3270 Protocol rundll32.exe url.dll,TelnetProtocolHandler %l

tsvn URL:TSVN Protocol C:\Program Files\TortoiseSVN\bin\TortoiseProc.exe /command:checkout /url:"%1"

tvants URL:tvants Protocol C:\PROGRA~1\TVAnts\Tvants.exe "%L"

tvu URL:TVU Protocol C:\Program Files\TVUPlayer\TVUPlayer.exe "%1"

UNSV URL: Ultravox Protocol C:\Program Files\Winamp\winamp.exe %1

UVOX URL: Ultravox Protocol C:\Program Files\Winamp\winamp.exe %1

Ventrilo URL:Ventrilo Protocol C:\PROGRA~1\Ventrilo\Ventrilo.exe -l%1

vs URL:VS Protocol C:\Program Files\Microsoft Visual Studio .NET\Common7\IDE\devenv.exe /vsprotocol /command "navigate %1"

WPC URL:Windows Parental Controls URL Exemption Request Protocol %systemroot%\system32\wpcer.exe %1