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Apache/2.4.6 - block a large ip range with Require not ip

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0

I'm using Require not ip in .htaccess for some time now and it works well for me. I need to block a large range of IPs such as 18.128.0.0-18.255.255.255.

Should i do it line by line

Require not ip 18.128
Require not ip 18.129
Require not ip 18.130
.
.
Require not ip 18.255

or is it possible to do it all in one line?

apache-http-server

share|improve this question

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

0

I'm using Require not ip in .htaccess for some time now and it works well for me. I need to block a large range of IPs such as 18.128.0.0-18.255.255.255.

Should i do it line by line

Require not ip 18.128
Require not ip 18.129
Require not ip 18.130
.
.
Require not ip 18.255

or is it possible to do it all in one line?

apache-http-server

share|improve this question

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I'm using Require not ip in .htaccess for some time now and it works well for me. I need to block a large range of IPs such as 18.128.0.0-18.255.255.255.

Should i do it line by line

Require not ip 18.128
Require not ip 18.129
Require not ip 18.130
.
.
Require not ip 18.255

or is it possible to do it all in one line?

apache-http-server

share|improve this question

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Boaz YahavBoaz Yahav

31

New contributor

Boaz Yahav is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Boaz YahavBoaz Yahav

31

1 Answer
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0

Require ip accepts CIDR "prefix length" notation (address/plen, where plen is the number of '1' bits in the netmask). The range you show is written as 18.128.0.0/9.

This is also usually the preferred notation even for networks which exactly fit octet bounaries: that is, instead of Require ip 192.168 you should write Require ip 192.168.0.0/16 (similarly /8, /24).

---

If you have Python installed, you can use a script to convert start & end addresses into a prefix mask (or a list of masks):

#!/usr/bin/env python3

import ipaddress, sys



a = ipaddress.ip_address(sys.argv[1])

b = ipaddress.ip_address(sys.argv[2])

n = ipaddress.summarize_address_range(a, b)

for net in n:

    print(net)

share|improve this answer

edited yesterday

answered yesterday

grawitygrawity

245k37517578

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Wow, that was fast. Added it and will monitor to make sure it does the job. Thanks!
  
  – Boaz Yahav
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found this site that does the job : ipaddressguide.com/cidr Thanks again for the great help
  
  – Boaz Yahav
  yesterday
  

  
  
  
  

add a comment | 

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0

Require ip accepts CIDR "prefix length" notation (address/plen, where plen is the number of '1' bits in the netmask). The range you show is written as 18.128.0.0/9.

This is also usually the preferred notation even for networks which exactly fit octet bounaries: that is, instead of Require ip 192.168 you should write Require ip 192.168.0.0/16 (similarly /8, /24).

---

If you have Python installed, you can use a script to convert start & end addresses into a prefix mask (or a list of masks):

#!/usr/bin/env python3

import ipaddress, sys



a = ipaddress.ip_address(sys.argv[1])

b = ipaddress.ip_address(sys.argv[2])

n = ipaddress.summarize_address_range(a, b)

for net in n:

    print(net)

share|improve this answer

edited yesterday

answered yesterday

grawitygrawity

245k37517578

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Wow, that was fast. Added it and will monitor to make sure it does the job. Thanks!
  
  – Boaz Yahav
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found this site that does the job : ipaddressguide.com/cidr Thanks again for the great help
  
  – Boaz Yahav
  yesterday
  

  
  
  
  

add a comment | 

0

Require ip accepts CIDR "prefix length" notation (address/plen, where plen is the number of '1' bits in the netmask). The range you show is written as 18.128.0.0/9.

This is also usually the preferred notation even for networks which exactly fit octet bounaries: that is, instead of Require ip 192.168 you should write Require ip 192.168.0.0/16 (similarly /8, /24).

---

If you have Python installed, you can use a script to convert start & end addresses into a prefix mask (or a list of masks):

#!/usr/bin/env python3

import ipaddress, sys



a = ipaddress.ip_address(sys.argv[1])

b = ipaddress.ip_address(sys.argv[2])

n = ipaddress.summarize_address_range(a, b)

for net in n:

    print(net)

share|improve this answer

edited yesterday

answered yesterday

grawitygrawity

245k37517578

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Wow, that was fast. Added it and will monitor to make sure it does the job. Thanks!
  
  – Boaz Yahav
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I found this site that does the job : ipaddressguide.com/cidr Thanks again for the great help
  
  – Boaz Yahav
  yesterday
  

  
  
  
  

add a comment | 

Require ip accepts CIDR "prefix length" notation (address/plen, where plen is the number of '1' bits in the netmask). The range you show is written as 18.128.0.0/9.

This is also usually the preferred notation even for networks which exactly fit octet bounaries: that is, instead of Require ip 192.168 you should write Require ip 192.168.0.0/16 (similarly /8, /24).

---

If you have Python installed, you can use a script to convert start & end addresses into a prefix mask (or a list of masks):

#!/usr/bin/env python3

import ipaddress, sys



a = ipaddress.ip_address(sys.argv[1])

b = ipaddress.ip_address(sys.argv[2])

n = ipaddress.summarize_address_range(a, b)

for net in n:

    print(net)

share|improve this answer

edited yesterday

answered yesterday

grawitygrawity

245k37517578

#!/usr/bin/env python3

import ipaddress, sys



a = ipaddress.ip_address(sys.argv[1])

b = ipaddress.ip_address(sys.argv[2])

n = ipaddress.summarize_address_range(a, b)

for net in n:

    print(net)

share|improve this answer

edited yesterday

answered yesterday

grawitygrawity

245k37517578

answered yesterday

grawitygrawity

245k37517578

answered yesterday

grawitygrawity

245k37517578