Iptables/Firewall rules for multicast IP. Post: 302693753

8 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

how to configure a linux box as a firewall using iptables

I have already compiled the kernel and configured it to run as a firewall. My computer has 2 NICs and is on two seperate networks. I can ping both networks from my computer, but workstations on one network can not ping workstations on the other. What Scripts or commands do I need to install ?

2. Cybersecurity

The Best Script For Iptables Firewall

UTIN Firewall script for Linux 2.4.x and iptables ============================================== #!/bin/sh # # rc.firewall - UTIN Firewall script for Linux 2.4.x and iptables # # Copyright (C) 2001 Oskar Andreasson <bluefluxATkoffeinDOTnet> # # This program is free software; you can...

3. UNIX for Advanced & Expert Users

Firewall - 2 Internet accesses - routing rules from source

Hello, I would like to modify my firewall configuration for being able to handle 2 internet connections in my Red zone. I would then like to configure some selecting routing rules depending on the internal source. Actual configuration: ===================== 1 router A (ISP)...

4. UNIX for Dummies Questions & Answers

IPTABLES Firewall concept help

Dear all, I wish to place make a very simple FIREWALL with IPTABLES. There are some issues and points to make before I do, so this post is just to see if it can be done. I know it wont be the best solution but it may be OK. 1. We have two Windows servers in a datacenter without a firewall...

5. UNIX for Dummies Questions & Answers

IPTABLES firewall problems

Hi , facing problem for mysql start in mysql cluster server 1 when starts mysql It starts successfully then server 2 when starts mysql unable start so I look to check both server 1 and server 2 iptable below results For Server 1 # iptables -L -n Chain INPUT (policy ACCEPT)...

6. Cybersecurity

please help to verify the simple firewall rules is ok for the call testing of my VOIP telephony syst

Dear Sir, I want to test the VOIP Telephony system installed in a IP PBX server behind a NAT router. This NAT router connects to a modem (with NAT as well), and then the modem (with static public IP assigned by the ISP, e.g. 219.45.67.80) directly connects to the Internet. There are several...

7. UNIX for Dummies Questions & Answers

I have firewall rules to open ports, why telnet refuses connection?

Alright... this question comes from the fact that I'm trying to setup postfix to relay messages to Office 365 SMTP but its giving me connection refused... I read that if you have doubts if your port is open or not you should telnet to them so thats what I did. This is a Red Hat 6.3 box. My...

8. Shell Programming and Scripting

Consolidate several lines of a CSV file with firewall rules, in order to parse them easier?

Consolidate several lines of a CSV file with firewall rules Hi guys. I have a CSV file, which I created using an HTML export from a Check Point firewall policy. Each rule is represented as several lines, in some cases. That occurs when a rule has several address sources, destinations or...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)