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But I need Incomming and outcomming connection, or not ?
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But I need Incomming and outcomming connection, or not ?

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I did it but nothing yet.<br />
sample :<br />
-A INPUT -p TCP --dport 443 -j &nbsp;ACCEPT
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I did it but nothing yet.
sample :
-A INPUT -p TCP --dport 443 -j  ACCEPT

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I´m trying this rule too, but not yet.<br />
<br />
-A FORWARD -m string --algo bm --string 'teamviwer' -j ACCEPT<br />
-A OUTPUT -m string --algo bm --string 'teamviwer' -j ACCEPT
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I´m trying this rule too, but not yet.

-A FORWARD -m string --algo bm --string 'teamviwer' -j ACCEPT
-A OUTPUT -m string --algo bm --string 'teamviwer' -j ACCEPT

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<div class="content wysiwyg-content">
How to enable teamviewer on IPTABLES firewall
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How to enable teamviewer on IPTABLES firewall

Iptables rules for teamviewer

The Linux operating system, in all its flavors, has its own share of security flaws that allow intrusions, but there are various mechanisms by which these flaws can be removed, generally divided into two parts: authentication and access control. Authentication is responsible for ensuring that a user requesting access to the system is really the user with the account, while access control is responsible for controlling which resources each account has access to and what kind of access is permitted.

Linux Security

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.

Software Firewalls

The variety of Linux distributions creates myriad issues relating to configuration and operations when computers are networked, not the least of which is the use of various network management applications, some of which are included with specific distributions, while others are standalone applications.