FCGI script receives these environment variables:

FCGI_ROLE=RESPONDER
UNIQUE_ID=ZhUhpiVc92UeM68MVqLK2gAAAFU
SCRIPT_URL=/fcgi-bin/testpost.pl
SCRIPT_URI=https://updates-ca1.urlfilterdb.com/fcgi-bin/testpost.pl
HTTPS=on
SSL_TLS_SNI=updates-ca1.urlfilterdb.com
SSL_SERVER_S_DN_CN=*.urlfilterdb.com
SSL_SERVER_I_DN_C=GB
SSL_SERVER_I_DN_ST=Greater Manchester
SSL_SERVER_I_DN_L=Salford
SSL_SERVER_I_DN_O=Sectigo Limited
SSL_SERVER_I_DN_CN=Sectigo RSA Domain Validation Secure Server CA
SSL_SERVER_SAN_DNS_0=*.urlfilterdb.com
SSL_SERVER_SAN_DNS_1=urlfilterdb.com
SSL_VERSION_INTERFACE=mod_ssl/2.4.52
SSL_VERSION_LIBRARY=OpenSSL/3.0.2
SSL_PROTOCOL=TLSv1.3
SSL_SECURE_RENEG=true
SSL_COMPRESS_METHOD=NULL
SSL_CIPHER=TLS_AES_256_GCM_SHA384
SSL_CIPHER_EXPORT=false
SSL_CIPHER_USEKEYSIZE=256
SSL_CIPHER_ALGKEYSIZE=256
SSL_CLIENT_VERIFY=NONE
SSL_SERVER_M_VERSION=3
SSL_SERVER_M_SERIAL=960FA9053FD1D951196E71AE14B2B122
SSL_SERVER_V_START=Jan 30 00:00:00 2024 GMT
SSL_SERVER_V_END=Feb 18 23:59:59 2025 GMT
SSL_SERVER_S_DN=CN=*.urlfilterdb.com
SSL_SERVER_I_DN=CN=Sectigo RSA Domain Validation Secure Server CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB
SSL_SERVER_A_KEY=rsaEncryption
SSL_SERVER_A_SIG=sha256WithRSAEncryption
SSL_SESSION_ID=17bd99bcb40ed9f34988d2f7f64450ef15985af91a8779438a83cfaae1a8dc98
SSL_SESSION_RESUMED=Initial
HTTP_HOST=updates-ca1.urlfilterdb.com
HTTP_USER_AGENT=ufdbGuard-test-agent
HTTP_ACCEPT=*/*
HTTP_CONNECTION=close
CONTENT_LENGTH=626
HTTP_EXPECT=100-continue
REMOTE_ADDR=2a01:4f8:262:3c8b:4::104
GATEWAY_INTERFACE=CGI/1.1
REQUEST_METHOD=PUT
PATH=/usr/local/bin:/bin:/usr/bin:/local/ufdbguard/bin
SERVER_SIGNATURE=<address>Apache/2.4.52 (Ubuntu) Server at updates-ca1.urlfilterdb.com Port 443</address>
SERVER_SOFTWARE=Apache/2.4.52 (Ubuntu)
SERVER_NAME=updates-ca1.urlfilterdb.com
SERVER_ADDR=2607:5300:203:4043:4::104
SERVER_PORT=443
SERVER_ADMIN=webmaster@urlfilterdb.com
SERVER_PROTOCOL=HTTP/1.1
DOCUMENT_ROOT=/local/websites/updates.urlfilterdb.com/htdocs
REQUEST_SCHEME=https
CONTEXT_PREFIX=/fcgi-bin/
CONTEXT_DOCUMENT_ROOT=/local/websites/updates.urlfilterdb.com/fcgi-bin/
SCRIPT_FILENAME=/local/websites/updates.urlfilterdb.com/fcgi-bin/testpost.pl
REMOTE_PORT=53708
QUERY_STRING=
REQUEST_URI=/fcgi-bin/testpost.pl
SCRIPT_NAME=/fcgi-bin/testpost.pl
