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Operating Systems
Linux
Not able to setup CentOS 7 as gateway [Using squid proxy]
Post 303009791 by sunnysthakur on Wednesday 20th of December 2017 04:47:13 AM
12-20-2017
FIXED
I disabled NetworkManager and firewalld and use legacy network and iptables to get it working on CentOS7. Firewalld and NetworkManager are kind of wrappers which causes this issue.
This User Gave Thanks to sunnysthakur For This Post:
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LEARN ABOUT CENTOS
firewalld.icmptype
FIREWALLD.ICMPTYPE(5) firewalld.icmptype FIREWALLD.ICMPTYPE(5) NAME
firewalld.icmptype - firewalld icmptype configuration files SYNOPSIS
/etc/firewalld/icmptypes/icmptype.xml /usr/lib/firewalld/icmptypes/icmptype.xml DESCRIPTION
A firewalld icmptype configuration file provides the information for an Internet Control Message Protocol (ICMP) type for firewalld. This example configuration file shows the structure of an icmptype configuration file: <?xml version="1.0" encoding="utf-8"?> <icmptype> <short>My Icmptype</short> <description>description</description> <destination ipv4="yes" ipv6="yes"/> </icmptype> OPTIONS
The config can contain these tags and attributes. Some of them are mandatory, others optional. icmptype The mandatory icmptype start and end tag defines the icmptype. This tag can only be used once in an icmptype configuration file. This tag has optional attributes: version="string" To give the icmptype a version. short Is an optional start and end tag and is used to give an icmptype a more readable name. description Is an optional start and end tag to have a description for a icmptype. destination Is an optional empty-element tag and can be used only once. The destination tag specifies if an icmptype entry is available for IPv4 and/or IPv6. The default is IPv4 and IPv6, where this tag can be missing. ipv4="bool" Describes if the icmptype is available for IPv4. ipv6="bool" Describes if the icmptype is available for IPv6. SEE ALSO
firewall-applet(1), firewalld(1), firewall-cmd(1), firewall-config(1), firewalld.conf(5), firewalld.direct(5), firewalld.icmptype(5), firewalld.lockdown-whitelist(5), firewall-offline-cmd(1), firewalld.richlanguage(5), firewalld.service(5), firewalld.zone(5), firewalld.zones(5) NOTES
firewalld home page at fedorahosted.org: http://fedorahosted.org/firewalld/ More documentation with examples: http://fedoraproject.org/wiki/FirewallD AUTHORS
Thomas Woerner <twoerner@redhat.com> Developer Jiri Popelka <jpopelka@redhat.com> Developer firewalld 0.3.9 FIREWALLD.ICMPTYPE(5)