On 08/23/2018 09:06 PM, Todd Chester wrote:
On 08/23/2018 12:14 PM, Mike Wright wrote:
On 08/23/2018 11:50 AM, ToddAndMargo wrote:
On 08/23/2018 11:41 AM, Mike Wright wrote:
On 08/23/2018 11:23 AM, ToddAndMargo wrote:
Just ftp client and I want to support both active and passive mode
This covers both:
http://www.devops-blog.net/iptables/iptables-settings-for-outgoing-ftp
:m
Hi Mike,
That is a description of what is happening.
I am looking for Fedora specific iptables instructions.
iptables rules are processed by the kernel. They are distribution
agnostic.
:m
Yippee!!
I still the directions. What worked on RHEL, does not
work on Fedora, so what am I doing wrong?
My *hunch* is that you are running firewalld and that the default rules
for firewalld changed between RHEL and fedora. Mind you, beneath
firewalld lies, you guessed it, iptables.
Execute:
firewall-cmd --state
echo $?
If the result is 0 you are running firewalld. Anything else, you're
dealing directly with iptables. Regardless, you can always manually
insert and delete rules using /sbin/iptables.
The iptables rules in the link that I referred to above can be inserted
into the kernel by taking each of the rules, in order, and preceding
them with /sbin/iptables (iptables being the name of the program that
parses the rules and inserts/deletes/etc them).
e.g. /sbin/iptables -A INPUT -p tcp ...
But before you do that - iptables processes rules in the order they are
listed. To prevent time wasting by adding (that's what the -A does)
your rules to the end of the list where you may have already been
blocked use "-I 1" which will insert your rule(s) before any other rules
in the chains (groups of rules such as INPUT, OUTPUT, PREROUTING, etc).
If you are running firewalld and inserting those rules allows FTP to
work ask again on the list for help with firewalld.
Best,
:m
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