Dear :
you need to read the Russel's Linux NAT How To guideline.
Best Regards.
Alninuo Lee
Linux linux
<khankhn1@xxxxxxxxx> 收件人： netfilter@xxxxxxxxxxxxxxxxxxx
寄件人： 副本抄送： khankhn1@xxxxxxxxx, rhce.rhct@xxxxxxxxx, nomankhn@xxxxxxxxx
netfilter-bounces@xxxxxxxx 主旨： I want to understand the concept
tfilter.org
2006-02-05 16:54
Hello?
I want to understand the difference b/w following
things
Q1. What is the difference b/w these 2 command
iptables -A FORWARD -s 192.168.0.1 -j DROP
iptables -t mangle -A FORWARD -s 192.168.0.1 -j DROP
what is the difference b/w
FORWARD of filter table?
FORWARD of mangle table?
Q2. What is the difference b/w POSTROUTING and
PREROUTING?
Q3. What is the difference b/w SNAT and DNAT?
Q4. What is the difference b/w that
How i can understand
FOR FILTER TABLE?
what is my source in FORWARD chain of FILTER table
what is my dstination in FORWARD chain of FILTER table
what is my source in INPUT chain of FILTER table
what is my dstination in INPUT chain of FILTER table
what is my source in OUTPUT chain of FILTER table
what is my destination in OUTPUT chain of FILTER table
FOR NAT TABLE?
what is my source in INPUT chain of MANGLE table
what is my dstination in INPUT chain of MANGLE table
what is my source in FORWARD chain of MANGLE table
what is my dstination in FORWARD chain of MANGLE table
what is my source in OUTPUT chain of MANGLE table
what is my destination in OUTPUT chain of MANGLE table
what is my source in PREROUTING chain of MANGLE table
what is my destination in PREROUTING chain of MANGLE
table
what is my source in POSTROUTING chain of MANGLE table
what is my destination in POSTROUTING chain of MANGLE
table
FOR NAT TABLE?
what is my source in OUTPUT chain of NAT table
what is my destination in OUTPUT chain of NAT table
what is my source in PREROUTING chain of NAT table
what is my destination in PREROUTING chain of NAT
table
what is my source in POSTROUTING chain of NAT table
what is my destination in POSTROUTING chain of NAT
table
Regards
Khan
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