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- Internet Protocol (IP)
- Every internet user is identified by an IP address.
- An IP address can appear as numeric (134.54.36.22) or alphanumeric (host06-AB3404.cablecomp.us).
- Cloak
- Some chatservers are able to hide and replace their users IP addresses with a cloaked (masked) IP which could looks like this:
- "F634A706.B8C81357.42359B54.IP" where the last part (".42359B54.IP") is the domain part.
- Cloaked IP Real IP numeric Real IP alphanumeric
- F634A706.B8C81357.42359B54.IP 134.54.36.22 host06-AB3404.cablecomp.us
- *B8C81357.42359B54.IP 134.54.36.* *AB3404.cablecomp.us
- *.42359B54.IP 134.54.* *.cablecomp.us
- IRC Hostmask
- A full IRC hostmask contains the nick, ident and an IP, they are separated by an exclamation mark (!) and an at (@).
- The exclamation mark separates the nick from the ident (nick!ident), the at separates the ident from the IP (nick!ident@IPaddress).
- The separators are always used in a ban and they always stay on the same place, the nick/ident separator ! on the left, the ident/IP separator @ on the right.
- A full hostmask looks like this: nick!ident@IPaddress
- Full hostmask with a numeric IP: hereIam!ircuser@134.54.36.22
- Full hostmask with an alphanumeric IP: tea4two!addict@host06-AB3404.cablecomp.us
- Full hostmask with a cloaked IP: flippo!hello@F634A706.B8C81357.42359B54.IP
- Wildcards
- The question mark (?) replaces one character.
- The asterisk (*) replaces a string of characters (a sequence of characters).
- The asterisk (*) will mostly be used in a ban.
- Basic Bans
- A full IRC hostmask contains five parts and looks like this: nick!ident@IPaddress
- Sometimes the ident part is called "user" or "username", IPaddress is also called "host" or "host.domain".
- A ban always contains five parts:
- 1. nick
- 2. !
- 3. ident
- 4. @
- 5. IPaddress
- Part 2 (the nick/ident separator !) and part 4 (the ident/IPaddress separator @) always stay on the same place, they don't change and they don't move around.
- Because we will always use the separators ! and @ in a ban, the easiest way is to build your ban around the separators.
- The parts we don't want to use in a ban we replace with an asterisk (*).
- So lets pick a victim to test our bans with :)
- Lets say the full hostmask of our victim is: Johnny!whatever@F634A706.B8C81357.42359B54.IP
- To ban Johnny's full hostmask we would use the command: > /mode #channel +b Johnny!whatever@F634A706.B8C81357.42359B54.IP
- To ban the nick "Johnny" we replace the ident and IPaddress with an asterisk (*): > /mode #channel +b Johnny!*@*
- (note: the separators stay on the same place).
- To ban Johnny's ident "whatever" we replace the nick and IPaddress with an asterisk (*): > /mode #channel +b *!whatever@*
- To ban Johnny's IP address "F634A706.B8C81357.42359B54.IP" we replace the nick and ident with an asterisk (*): > /mode #channel +b *!*@F634A706.B8C81357.42359B54.IP
- To ban both the ident "whatever" and IP "F634A706.B8C81357.42359B54.IP" we only have to use a wildcard for the nick: > /mode #channel +b *!whatever@F634A706.B8C81357.42359B54.IP
- 1 2 3 4 5
- Nick ! Ident @ IPaddress
- Nick Ban Johnny ! * @ * johnny!*@*
- Ident Ban * ! whatever @ * *!whatever@*
- IP Ban * ! * @ F634A706.B8C81357.42359B54.IP *!*@F634A706.B8C81357.42359B54.IP
- Nick/IP Ban Johnny ! * @ F634A706.B8C81357.42359B54.IP johnny!*@F634A706.B8C81357.42359B54.IP
- Ident/IP Ban * ! whatever @ F634A706.B8C81357.42359B54.IP *!whatever@F634A706.B8C81357.42359B54.IP
- Nick Bans
- Nick bans are mostly used to remove a bad nick from a channel.
- Lets use our test candidate Johnny again to explain different nick bans :)
- First we would use the basic nick ban to ban Johnny's nick.
- > /mode #channel +b Johnny!*@*
- This will ban the nickname Johnny only and will not affect other users with nicknames like "johnnytheman", "heyjohnnyhey" or "iamjohnny".
- Johnny returns into the channel with the nickname "Johnny1".
- There are three ways to ban this one:
- 1. Use a basic nick ban again. > /mode #channel +b Johnny1!*@*
- This will only ban the nick Johnny1, but we already know he is smart, he most likely will return with the nick Johnny2.
- 2. With the use of a question mark wildcard ? to replace the one character after the nick: > /mode #channel +b Johnny?!*@*
- This means all Johnny nicks with one character after it are banned (Johnny1, Johnny2, JohnnyH, JohnnyX, Johnny_ etc.).
- 3. "Lock" the right side of the nick ban with an asterisk (*): > /mode #channel +b Johnny*!*@*
- This means all Johnny nicks with one or more characters after it are banned (Johnny4, Johnny10, johnnytheman, johnnyboy, johnny^^^ etc.).
- Johnny is smarter than we think, changes his nick again and returns with the nick SmartJohnny.
- He can do this because we only "locked" the right side of the nick ban with a * (Johnny*!*@*) so he couldn't use any characters after the Johnny nick but he still can use characters in front of the nick.
- So now we can "lock" the nickname on the left side too with a * in front of the nick as well after the nick: > /mode #channel +b *Johnny*!*@*
- which will affect all nicknames with the word "johnny" in it (heyjohnny, Johnny1, SmartJohnny, [Johnny], ^^Johnny, MeJohnnyBoy etc).
- Nick Bans Affects
- Johnny!*@* Bans the nick "Johnny" only
- Johnny?!*@* Bans all "Johnny" nicks with one character after it.
- Johnny*!*@* Bans all "Johnny" nicks with (a string of) characters after it.
- *Johnny*!*@* Bans every nick with the word "johnny" in it.
- Ident Bans
- Our Johnny is still being a nuisance and we have two innocent users in the channel with the nicks "sweetjohnny" and "JohnnyInnocent" (rrright!), we then could ban Johnny's ident.
- Johnny's full hostmask is "Johnny!whatever@F634A706.B8C81357.42359B54.IP", "whatever" is the ident part.
- A basic ident ban on "whatever" then would be: *!whatever@* which will only ban users with the ident "whatever".
- Oh no, Johnny brought some floodbots into the channel all using the same ident with numbers like "whatever322", "whatever983", "whatever821" etc.
- 1. Use the one character wildcard "?": > /mode #channel +b *!whatever???@*
- Bans the ident "whatever" with 3 characters after it, every question mark replaces one character (whatever313, whateverlol, whateverabc, whatever--- etc.).
- 2. "Lock" the right side of the ident ban: > /mode #channel +b *!whatever*@*
- Bans the ident "whatever" with (a string of) characters after it (whateverdude, whatever31235, whateverpfft, whatever-abc etc.).
- 3."Lock" both left and right side of the ident ban: > /mode #channel +b *!*whatever*@*
- Bans all users using an ident with the word "whatever" in it (yeahwhatever, boowhateverhoo, whywhatever45, whateverX etc.).
- Ident Bans Affects
- *!whatever@* Bans only the users using the ident "whatever".
- *!whatever???@* Bans all users using the ident "whatever" with 3 characters after it.
- *!whatever*@* Bans users using the ident "whatever" with (a string of) characters after it.
- *!*whatever*@* Bans all users using an ident with the word "whatever" in it.
- IP Bans
- A basic IP ban looks like this: *!*@F634A706.B8C81357.42359B54.IP
- Again five parts:
- 1. the first * replaces the nick
- 2. nick/ident separator !
- 3. second * replaces ident
- 4. ident/IP separator @
- 5. IP
- Johnny's cloaked IP is *!*@F634A706.B8C81357.42359B54.IP, his real IP is *!*@134.54.36.22
- > /mode #channel +b *!*@F634A706.B8C81357.42359B54.IP
- Bans Johnny's cloaked IP *!*@F634A706.B8C81357.42359B54.IP (*!*@134.54.36.22) host+domain.
- > /mode #channel +b *!*@*.B8C81357.42359B54.IP
- Bans the two last parts of Johnny's cloaked IP *!*@*.B8C81357.42359B54.IP (*!*@134.54.36.*) part host+domain.
- Here we replace the first part of the IPaddress with an asterisk (*).
- > /mode #channel +b *!*@*.42359B54.IP
- Bans the last part of Johnny's IP *!*@*.42359B54.IP (*!*@134.54.*) which is the domain part.
- Here we replace the first two parts of the IPaddress with an asterisk (*).
- The same result we get when we would ban it like this: "*!*@*.*.42359B54.IP".
- Always be carefull with domain bans, lots of users use the same domain, a ban like this could be too broad!.
- Extended Bans
- Extended bans are neat, but they need some extra attention.
- Before using bans like this it's handy to check the users whois info first: > /whois Johnny
- (1)* [Johnny] (whatever@F634A706.B8C81357.42359B54.IP): Ten Four
- (2)* [Johnny] is a registered nick
- (3)* [Johnny] #newbies #chatroom #lamersRus
- (4)* [Johnny] irc-m06.icq.aol.com :IrCQ-Net
- (5)* [Johnny] idle 00:01:26, signon: Fri Mar 7 09:25:22
- (6)* [Johnny] End of WHOIS list.
- What this tells us about Johnny:
- (1)Nick: Johnny
- Ident: whatever
- IP: F634A706.B8C81357.42359B54.IP
- Realname: Ten Four
- (2)Johnny's nick is registered and identified
- (3)Johnny joined the channels #newbies, #chatroom and #lamersRus
- (4)Johnny is connected to IrCQ-Net's server irc-m06.icq.aol.com
- (5)The last time Johnny typed was 1 min and 26 secs ago. He connected Friday March 7th at 09:25:22
- (6)End of whois info
- There are four different types of extended bans we can use:
- Quiet ban ~q:
- > /mode #channel +b ~q:*!*@F634A706.B8C81357.42359B54.IP
- Johnny can still join the channel but he is unable to type, unless he has +v or higher.
- Nickchange ban ~n:
- > /mode #channel +b ~n:*!*@F634A706.B8C81357.42359B54.IP
- Prevents Johnny from changing nicks over and over. Users matching these bans are unable to change nicks, unless they have +v or higher.
- Channel ban ~c:
- > /mode #channel +b ~c:#lamersRus
- Users from channel #lamersRus are unable to join #channel, if the user is already in the channel s/he is unable to type.
- Realname ban ~r:
- Johnny's realname is "Ten Four". We can't ban a realname with spaces so or we could ban a part of the realname (*Ten*) or replace the space with an underscore (Ten_Four).
- > /mode #channel +b ~r:Ten_Four
- Bans everyone with the realname "Ten Four" or "Ten_Four", an underscore matches a space or underscore.
- > /mode #channel +b ~r:*Ten_Four*
- Bans everyone who has the word "Ten Four" or "Ten_Four" in their realname.
- > /mode #channel +b ~r:Ten
- Bans everyone with the realname "Ten".
- > /mode #channel +b ~r:*Ten*
- Bans everyone with the word "Ten" in the realname.
- ~q: Quiet ~q:Johnny!*@*
- ~q:*!whatever@*
- ~q:*!*@F634A706.B8C81357.42359B54.IP
- ~n: Nickchanges ~n:*!whatever@*
- ~n:*!*@F634A706.B8C81357.42359B54.IP
- ~c: Channel ~c:#banned
- ~r: Realname ~r:realname
- ~r:real_name_with_spaces
- ~r:*partofrealname*
- Exemption Bans
- Exemption bans allow specific users in from domains that are banned from a channel.
- > /mode #channel +b *!*@*.42359B54.IP
- Bans all users with the domain ".42359B54.IP".
- > /mode #channel +e *!*@F634A706.B8C81357.42359B54.IP
- Allows this user to join #channel when domain ".42359B54.IP" is banned.
- Ban Removal
- > /mode #channel -b nick!ident@IPaddress
- Removes a ban.
- > /mode #channel -e nick!ident@IPaddress
- Removes an exemption ban.
- > /mode #channel -b ~q:nick!ident@IPaddress
- Removes an extended ban.
- Ban List
- > /mode #channel b
- Shows the ban list of the given channel.
- > /mode #channel e
- Shows the exemption list of the given channel.
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