| The user could report that it is possible to download the PAC file from FortiProxy by HTTP, but can not download when trying by HTTPS. Verify the configuration is well set: config web-proxy explicit-proxy
edit "web-proxy"
set status enable
set interface "any"
set secure-web-proxy disable
set http enable
set ftp-over-http enable
set socks disable
set http-incoming-port 8080
set http-connection-mode static
set https-incoming-port 8080
set ftp-incoming-port 8080
set incoming-ip 0.0.0.0
set ipv6-status disable
set unknown-http-version best-effort
set realm "default"
set sec-default-action deny
set pac-file-server-status enable
set pac-file-server-port 8081
set pac-file-name "mypacfile.pac" <--
set pac-file-data "function FindProxyForURL(url, host) {
// testtest
return \"PROXY 10.1.100.1:8080\";
}
" config authentication setting
set active-auth-scheme ''
set sso-auth-scheme ''
set update-time
set persistent-cookie enable
set ip-auth-cookie disable
set cookie-max-age 480
set cookie-refresh-div 2
set captive-portal-type fqdn
set captive-portal "fortiproxy.test.com" <--
set captive-portal6 ''
set cert-auth disable
set captive-portal-port 7830
set auth-https enable
set captive-portal-ssl-port 7831 <---
end It is possible to try to make a test using a test downloading the file, but the connection fails:
C:\Users\new>curl https://fortiproxy.test.com:7831/mypacfile.pac -kv
* Trying 192.168.150.20:7831...
* Connected to fortiproxy.test.com (192.168.15.20) port 7831
* schannel: disabled automatic use of client certificate
* ALPN: curl offers http/1.1
* ALPN: server did not agree on a protocol. Uses default.
* using HTTP/1.x
> GET /mypacfile.pac HTTP/1.1
> Host: fortiproxy.test.com:7831
> User-Agent: curl/8.4.0
> Accept: */*
>
* schannel: server closed abruptly (missing close_notify)
* Closing connection
* schannel: shutting down SSL/TLS connection with fortiproxy.test.com port 7831
curl: (56) Failure when receiving data from the peer Start to see WAD crashes every time, try the connection if performing a diagnose debug crashlog read in the FortiProxy. <05860> firmware FortiProxy v7.4.4,build0603b0603,240507 (GA.F) (Release)
<05860> application wad
<05860> *** signal 11 (Segmentation fault) received ***
<05860> [0x0106a310] => /bin/wad => wad_http_req_handle_special + 0x0540 => /code/daemon/wad/http/wad_http_engine.c:14830 (discriminator 1)
The issue is associated with bug ID 1038453, which is resolved after FortiProxy version 7.4.5.
Related article: Technical Tip: Configure secure (HTTPS) download of a PAC file | 
