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Re: ip address masking

February 13, 2018 10:10PM
Why not just change the log format to exclude the ip address or put in
static ip

On 14 February 2018 at 12:46, Tom <tom@keepschtum.win> wrote:

> Hi,
>
> I'm wondering if anyone has successfully masked ip addresses in nginx
> before they are written to a log file.
>
> I understand there are reasons why you would and would not do this.
>
> Anyway, my config so far, which I believe works for ipv4 addresses, but
> probably on only a few formats of ipv6 addresses. I've used secondary map
> directives to append text to the short ip address as I couldn't work out
> how to concatenate the variable with text, so concatenated two variables
> instead. (Hope that makes sense).
>
>
> log_format ipmask '$remote_addr $ip_anon';
>
> map $remote_addr $ip_anon {
> default $remote_addr;
> "~^(?P<ipv4>[0-9]{1,3}\.[0-9]{1,3}.)(?P<junkv4>.*)" $ipv4$ipv4suffix;
> "~^(?P<ipv6>[^:]+:[^:]+)(?P<junkv6>.*$)" '$ipv6 $junkv6';
> }
>
> map - $ipv4suffix{
> default 0.0;
> }
> map - $ipv6suffix{
> default XX;
> }
> server {
> listen 8080;
> listen [::]:8080;
> server_name _;
> access_log /tmp/ngn-ip.log ipmask;
> allow all;
> }
>
>
> Anyone got any thoughts on this?
> Thanks
>
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> http://mailman.nginx.org/mailman/listinfo/nginx
>
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Subject Author Posted

ip address masking

Tom February 13, 2018 08:48PM

Re: ip address masking

alexsamad February 13, 2018 10:10PM

Re: ip address masking

Tom February 13, 2018 11:00PM

Re: ip address masking

Robert Paprocki February 15, 2018 12:32PM



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