Inside nginx blog: "Managing request headers" , there is a method:
search_headers_in which can search for arbitrary headers, however this
method use ngx_strcasecmp( "ngx_strcasecmp(u_char *s1, u_char *s2)") which
assume the input s1 must be '\0' terminated.
so inside the code below, this function
Hello!
On Thu, Apr 14, 2022 at 10:56:58AM -0400, Jeffrey Walton wrote:
> Hi Everyone,
>
> I'm examining a webapp which had a scan looking for security related
> errata and vulnerabilities. The app is hosted on Google Cloud (GPC)
> and the webserver is Nginx. Only the app was scanned. GPC and Ngi
Hi Everyone,
I'm examining a webapp which had a scan looking for security related
errata and vulnerabilities. The app is hosted on Google Cloud (GPC)
and the webserver is Nginx. Only the app was scanned. GPC and Nginx
were not scanned.
The scan produced an interesting finding I have not seen befo
On Thu, Apr 14, 2022 at 07:02:28AM -0400, arx wrote:
Hi there,
> the important thing for me is the dns, the port is static and no server do
> the check,
> the problem that I don't know how it is calls the variable with what name
> the client makes the request (the dns that is invoked in the GET m
I succeeded, practically the directives
roxy_buffering off;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header Host $host;
they had to be placed on top location "if ($host ~ testdns) {
and under
location / {
now I should make an external fi
the important thing for me is the dns, the port is static and no server do
the check,
the problem that I don't know how it is calls the variable with what name
the client makes the request (the dns that is invoked in the GET method by
the client) present in access.log
[14/Apr/2022:12:22:57 +0200]
On Wed, Apr 13, 2022 at 07:43:48AM -0400, arx wrote:
Hi there,
> for security problems on my server, I should create a reverse proxy that
> allows only those who use the dns provided by me to be able to pass.
> practically I make a list with the incoming dns and I pass only those to my
> main ser
like something like that
server {
listen port;
location / {
if ($http_host ~ "dnsinput:port") {
proxy_buffering off;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_set_header H
