Available free from www.ILoveJackDaniels.com

Server Variables

Format%{NAME_OF_VAR}

HTTP HeadersHTTP_USER_AGENTHTTP_REFERERHTTP_COOKIEHTTP_FORWARDEDHTTP_HOSTHTTP_PROXY_CONNECTIONHTTP_ACCEPT

RequestREMOTE_ADDRREMOTE_HOSTREMOTE_USERREMOTE_IDENTREQUEST_METHODSCRIPT_FILENAMEPATH_INFOQUERY_STRINGAUTH_TYPE

ServerDOCUMENT_ROOTSERVER_ADMINSERVER_NAMESERVER_ADDRSERVER_PORTSERVER_PROTOCOLSERVER_SOFTWARE

TimeTIME_YEARTIME_MONTIME_DAYTIME_HOURTIME_MINTIME_SECTIME_WDAYTIME

SpecialAPI_VERSIONTHE_REQUESTREQUEST_URIREQUEST_FILENAMEIS_SUBREQ

DirectivesRewriteEngineRewriteOptionsRewriteLogRewriteLogLevelRewriteLockRewriteMapRewriteBaseRewriteCondRewriteRule

Moved permanently

Moved temporarily

Forbidden

Not Found

Gone

301

302

403

404

410

Redirect to new URL, with

optional code (see below).

Forbidden (sends 403 header)

Gone (no longer exists)

Proxy

Last Rule

Next (i.e. restart rules)

Chain

Set Mime Type

Skip if internal sub-request

Case insensitive

Append query string

Do not escape output

Pass through

Skip next x rules

Set environmental variable

"var" to "value".

R[=code]

F

G

P

L

N

C

T=mime-type

NS

NC

QSA

NE

PT

S=x

E=var:value

# Site has permanently moved to new domain

# domain.com to domain2.com

RewriteCond %{HTTP_HOST} ^www.domain.com$ [NC]

RewriteRule ^(.*)$ http://www.domain2.com/$1 [R=301,L]

# Page has moved temporarily

# domain.com/page.htm to domain.com/new_page.htm

RewriteRule ^page.htm$ new_page.htm [R,NC,L]

# Nice looking URLs (no querystring)

# domain.com/category-name-1/ to domain.com/categories.php?name=category-name-1

RewriteRule ^([A-Za-z0-9-]+)/?$ categories.php?name=$1 [L]

# Nice looking URLs (no querystring) with pagination

# domain.com/articles/title/5/ to domain.com/article.php?name=title&page=5

RewriteRule ^articles/([A-Za-z0-9-]+)/([0-9]+)/?$ article.php?name=$1&page=$2 [L]

# Block referrer spam

RewriteCond %{HTTP_REFERER} (weight) [NC,OR]

RewriteCond %{HTTP_REFERER} (drugs) [NC]

RewriteRule .* - [F]

Case insensitive

Allows a rule to apply if one of

a series of conditions are true.

NC

OR

^

$

.

(a|b)

(...)

[abc]

[^abc]

a?

a*

a+

a{3}

a{3,}

a{3,6}

!(pattern)

Start of string

End of string

Any single character

a or b

Group section

Item in range (a or b or c)

Not in range (not a or b or c)

Zero or one of a

Zero or more of a

One or more of a

Exactly 3 of a

3 or more of a

Between 3 and 6 of a

"Not" prefix. Apply rule when

URL does not match pattern.

mod_rewritemod_rewrite