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Secure and HttpOnly Cookies
Below is a script to allow a general way to Secure and HttpOnly cookies. It looks at the incoming port and sets Secure & HttpOnly when it's 443 and HttpOnly when it's 80.
#################################################
#
# Secure and HttpOnly Cookies
# (c) A10 Networks -- MP
# v1 20131211
#
#################################################
#
# aFleX script to Secure and HttpOnly Cookies
#
# Checks on incoming port to either apply Secure
# and / or HttpOnly.
#
# Scalability of this aFlex is unknown.
#
#################################################
when RULE_INIT {
set ::DEBUG 0
}
when HTTP_REQUEST {
set PORT [TCP::local_port]
}
when HTTP_RESPONSE {
set current_time [TIME::clock seconds]
foreach cookie_name [HTTP::cookie names] {
if { [HTTP::cookie exists "$cookie_name"] } {
set cookie_value [HTTP::cookie value "$cookie_name"]
set cookie_expires [HTTP::cookie expires "$cookie_name"]
set cookie_domain [HTTP::cookie domain "$cookie_name"]
set cookie_path [HTTP::cookie path "$cookie_name"]
set new_cookie "$cookie_name=$cookie_value"
if { $cookie_expires > $current_time } {
set new_expire [clock format $cookie_expires -format {%a, %d %b %Y %H:%M:%S GMT}]
append new_cookie "; Expires=$new_expire" }
if { $cookie_domain ne "" } { append new_cookie "; Domain=$cookie_domain" }
if { $cookie_path ne "" } { append new_cookie "; Path=$cookie_path" }
if { $PORT == 443 } { append new_cookie "; Secure" }
if { $PORT == 80 or $PORT == 443 } { append new_cookie "; HttpOnly" }
if { ($::DEBUG == 1) } { log "Set-Cookie $new_cookie" }
HTTP::cookie remove "$cookie_name"
HTTP::header insert Set-Cookie "$new_cookie"
}
}
}
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