| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | Atul Kumar <akumar14871(at)gmail(dot)com>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: meaning of CIDR mask in pg_hba.conf |
| Date: | 2023-10-30 17:50:23 |
| Message-ID: | a7746f23-cc13-4921-ba8c-0abf071626d5@aklaver.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On 10/30/23 10:45 AM, Atul Kumar wrote:
> Hi,
>
> I have postgres version 12 running on centos 7.
>
> I found an entry in my pg_hba.conf entry as given below under IPV4
> connections:
>
> host all all <remote_ip>/0 md5
>
> I could not understand the meaning of "/0" here.
>
> as I know that each IPV4 there are total 4 octets and each octet will
> be read based on given CIDR mask (/8, /16, /24 or /32) but I am
> watching first time "/0" that I couldn't understand, So please help me
> in explaining its prompt meaning and how IP will be read with /0?
From here:
https://www.postgresql.org/docs/current/auth-pg-hba-conf.html
... |0.0.0.0/0| represents all IPv4 addresses, and |::0/0| represents
all IPv6 addresses.
Is <remote_ip>/ one of the above?
>
>
>
> Regards,
> Atul
| From | Date | Subject | |
|---|---|---|---|
| Next Message | KK CHN | 2023-10-30 18:04:01 | capacity planning question |
| Previous Message | Steve Pointer | 2023-10-30 17:49:22 | Re: meaning of CIDR mask in pg_hba.conf |