NimbostratusI have a TLM1600 (BIG-IP 10.2.0 Build) and need to block incoming traffic that is destined for a specific public IP address (not domain name). Will the following iRule work? Thanks!
when HTTP_REQUEST {
if {[string match {*[x.x.x.x]*} [HTTP::header host]] }{
discard
}
}
Employee
[root@ve1023:Active] config b virtual bar list
virtual bar {
snat automap
pool gateway
destination any:any
mask 0.0.0.0
ip protocol 6
rules myrule
}
b[root@ve1023:Active] config b pool gateway list
pool gateway {
members 172.28.19.254:any {}
}
[root@ve1023:Active] config b rule myrule list
rule myrule {
when CLIENT_ACCEPTED {
if {[IP::addr [IP::local_addr] equals 8.8.8.8]} {
reject
}
}
}
[root@ve1023:Active] config tcpdump -nni 0.0 host 8.8.8.8
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on 0.0, link-type EN10MB (Ethernet), capture size 108 bytes
16:30:04.985008 IP 200.200.200.101.44153 > 8.8.8.8.80: S 2127088066:2127088066(0) win 5840
16:30:04.985147 IP 8.8.8.8.80 > 200.200.200.101.44153: S 2373168066:2373168066(0) ack 2127088067 win 4380
16:30:04.985941 IP 200.200.200.101.44153 > 8.8.8.8.80: . ack 1 win 46
16:30:04.986134 IP 8.8.8.8.80 > 200.200.200.101.44153: R 1:1(0) ack 1 win 4380
[root@ve1023:Active] config b virtual bar list
virtual bar {
snat automap
pool gateway
destination any:any
mask 0.0.0.0
ip protocol 6
rules myrule
profiles fastL4 {}
}
[root@ve1023:Active] config tcpdump -nni 0.0 host 8.8.8.8
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on 0.0, link-type EN10MB (Ethernet), capture size 108 bytes
16:32:51.479054 IP 200.200.200.101.44154 > 8.8.8.8.80: S 26962956:26962956(0) win 5840
16:32:51.479118 IP 8.8.8.8.80 > 200.200.200.101.44154: R 0:0(0) ack 26962957 win 0
Nimbostratus