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How to manually unblock blocked HTTP(S) traffic from IP addresses or IP address ranges?


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This guide shows how to unblock blocked HTTP(S) traffic from IP addresses or IP adress ranges utilizing the r3 command line suite. You can block IPv4 or IPv6 addresses.

Table of contents

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Note
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Limitation

You will be prevented to unblock

  • internal IPs

  • special IPs like 0.0.0.0

  • egress rules applying to outgoing traffic

General usage instructions

...

Step-by-step guide

Show help context

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Show help example
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~$ r3 net unblock -h
Delete traffic blocking rule from ACL.

positional arguments:
  ip          The IPv4 or IPv6 Address to be unblocked (CIDR supported).

optional arguments:
  -h, --help  show this help message and exit

Unblocking an IP address

  1. Use the command lines r3 net unblock to unblock HTTP(S) traffic for an IP or IP range (e.g. because it was blocked before).

  2. You can only unblock exactly one IP or IP range at a time

  3. You can unblock by giving just the IP or the IP plus respective CIDR

  4. The return shows you the IP or IP range you entered, the Network-ACLs modified and the result of the operation

Unblocking example
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~$ r3 net unblock 35.156.218.93/32

# Response
Environment: test Project: backend Company: root360 
+------------------+--------------+------------------+
| IP/CIDR          | ACL          | UnBlock Response |
+------------------+--------------+------------------+
| 35.156.218.93/32 | acl-2778c94e | success (200)    |
+------------------+--------------+------------------+


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Note

IP vs CIDR

A Network ACL is based on IPs or IP ranges presented in the Classless Inter-Domain Routing (CIDR) notation (having /xx behind the actual IP to describe network mask).

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