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0

I have this base for iptables when I have a new server to configure :

*filter

:INPUT DROP [0:0]

:FORWARD DROP [0:0]

:OUTPUT ACCEPT [0:0]



# Keep state.

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT



# Loop device.

-A INPUT -i lo -j ACCEPT



# Allow PING from remote hosts.

-A INPUT -p icmp --icmp-type echo-request -j ACCEPT



# allow ssh port 22

-A INPUT -p tcp --dport 22 -j ACCEPT



# allow foobar public IP

-A INPUT -p tcp -s 9.8.7.6 -j ACCEPT



# Allow outgoing trafic

-A OUTPUT -p tcp -d 1.2.3.4 -j ACCEPT

-A OUTPUT -o enp8s0 -d 0.0.0.0/0 -j ACCEPT



COMMIT

I load this file with iptable-restore < file.

The issue is that when I flush with iptables -F, I get blocked.

What I have to do to avoid to be blocked ?

linux iptables iptables-persistent

share|improve this question

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  quick internet search revealed that you have to set INPUT, OUTPUT and FORWARD connections to ACCEPT .... then flush the tables
  
  – jsotola
  37 mins ago
  

  
  
  
  

add a comment
 | 

0

I have this base for iptables when I have a new server to configure :

*filter

:INPUT DROP [0:0]

:FORWARD DROP [0:0]

:OUTPUT ACCEPT [0:0]



# Keep state.

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT



# Loop device.

-A INPUT -i lo -j ACCEPT



# Allow PING from remote hosts.

-A INPUT -p icmp --icmp-type echo-request -j ACCEPT



# allow ssh port 22

-A INPUT -p tcp --dport 22 -j ACCEPT



# allow foobar public IP

-A INPUT -p tcp -s 9.8.7.6 -j ACCEPT



# Allow outgoing trafic

-A OUTPUT -p tcp -d 1.2.3.4 -j ACCEPT

-A OUTPUT -o enp8s0 -d 0.0.0.0/0 -j ACCEPT



COMMIT

I load this file with iptable-restore < file.

The issue is that when I flush with iptables -F, I get blocked.

What I have to do to avoid to be blocked ?

linux iptables iptables-persistent

share|improve this question

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  quick internet search revealed that you have to set INPUT, OUTPUT and FORWARD connections to ACCEPT .... then flush the tables
  
  – jsotola
  37 mins ago
  

  
  
  
  

add a comment
 | 

I have this base for iptables when I have a new server to configure :

*filter

:INPUT DROP [0:0]

:FORWARD DROP [0:0]

:OUTPUT ACCEPT [0:0]



# Keep state.

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT



# Loop device.

-A INPUT -i lo -j ACCEPT



# Allow PING from remote hosts.

-A INPUT -p icmp --icmp-type echo-request -j ACCEPT



# allow ssh port 22

-A INPUT -p tcp --dport 22 -j ACCEPT



# allow foobar public IP

-A INPUT -p tcp -s 9.8.7.6 -j ACCEPT



# Allow outgoing trafic

-A OUTPUT -p tcp -d 1.2.3.4 -j ACCEPT

-A OUTPUT -o enp8s0 -d 0.0.0.0/0 -j ACCEPT



COMMIT

I load this file with iptable-restore < file.

The issue is that when I flush with iptables -F, I get blocked.

What I have to do to avoid to be blocked ?

linux iptables iptables-persistent

share|improve this question

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

*filter

:INPUT DROP [0:0]

:FORWARD DROP [0:0]

:OUTPUT ACCEPT [0:0]



# Keep state.

-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT



# Loop device.

-A INPUT -i lo -j ACCEPT



# Allow PING from remote hosts.

-A INPUT -p icmp --icmp-type echo-request -j ACCEPT



# allow ssh port 22

-A INPUT -p tcp --dport 22 -j ACCEPT



# allow foobar public IP

-A INPUT -p tcp -s 9.8.7.6 -j ACCEPT



# Allow outgoing trafic

-A OUTPUT -p tcp -d 1.2.3.4 -j ACCEPT

-A OUTPUT -o enp8s0 -d 0.0.0.0/0 -j ACCEPT



COMMIT

share|improve this question

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

share|improve this question

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges

asked 1 hour ago

Mévatlavé KraspekMévatlavé Kraspek

16599 bronze badges