Die Anweisung
<!--#printenv -->
gibt die Liste der CGI Umgebungsvariablen und deren Werte aus:


UNIQUE_ID=Yzei8s5CErfIRcCi_sCoGAAAAJg
HTTPS=on
SSL_SERVER_S_DN_C=DE
SSL_SERVER_S_DN_ST=Hamburg
SSL_SERVER_S_DN_L=Hamburg
SSL_SERVER_S_DN_O=Technische Universitaet Hamburg
SSL_SERVER_S_DN_OU=Rechenzentrum
SSL_SERVER_S_DN_CN=cgi.tuhh.de
SSL_SERVER_I_DN_C=DE
SSL_SERVER_I_DN_O=Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.
SSL_SERVER_I_DN_OU=DFN-PKI
SSL_SERVER_I_DN_CN=DFN-Verein Global Issuing CA
SSL_SERVER_SAN_DNS_0=cgi.rz.tu-harburg.de
SSL_SERVER_SAN_DNS_1=cgi.tu-harburg.de
SSL_SERVER_SAN_DNS_2=cgi.tuhh.de
SSL_VERSION_INTERFACE=mod_ssl/2.4.54
SSL_VERSION_LIBRARY=OpenSSL/1.0.1e-fips
SSL_PROTOCOL=TLSv1.2
SSL_SECURE_RENEG=true
SSL_COMPRESS_METHOD=NULL
SSL_CIPHER=ECDHE-RSA-AES256-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=20F4ECF5DACF584536DB6665
SSL_SERVER_V_START=May 10 12:32:44 2019 GMT
SSL_SERVER_V_END=Aug 11 12:32:44 2021 GMT
SSL_SERVER_S_DN=CN=cgi.tuhh.de,OU=Rechenzentrum,O=Technische Universitaet Hamburg,L=Hamburg,ST=Hamburg,C=DE
SSL_SERVER_I_DN=CN=DFN-Verein Global Issuing CA,OU=DFN-PKI,O=Verein zur Foerderung eines Deutschen Forschungsnetzes e. V.,C=DE
SSL_SERVER_A_KEY=rsaEncryption
SSL_SERVER_A_SIG=sha256WithRSAEncryption
SSL_SESSION_ID=d229c89ba1ab9ca690f740b4f6fc9c31ec5679976763078c034cf8064a2d269f
SSL_SESSION_RESUMED=Resumed
HTTP_USER_AGENT=CCBot/2.0 (https://commoncrawl.org/faq/)
HTTP_ACCEPT=text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_LANGUAGE=en-US,en;q=0.5
HTTP_ACCEPT_ENCODING=br,gzip
HTTP_HOST=cgi.tu-harburg.de
HTTP_X_FORWARDED_PROTO=https
HTTP_X_FORWARDED_FOR=44.192.26.60
HTTP_X_FORWARDED_PORT=443
HTTP_CONNECTION=close
PATH=/usr/bin:/bin:/usr/sbin:/sbin
LD_LIBRARY_PATH=/lib64:/usr/lib64:/usr/local/lib64
SERVER_SIGNATURE=
SERVER_SOFTWARE=Apache/2.4.54 (Unix) OpenSSL/1.0.1e-fips
SERVER_NAME=cgi.tu-harburg.de
SERVER_ADDR=134.28.202.59
SERVER_PORT=443
REMOTE_ADDR=44.192.26.60
DOCUMENT_ROOT=/cgi/htdocs
REQUEST_SCHEME=https
CONTEXT_PREFIX=/~rztwww
CONTEXT_DOCUMENT_ROOT=/cgi/htdocs/users/rztwww
SERVER_ADMIN=servicedesk@tuhh.de
SCRIPT_FILENAME=/cgi/htdocs/users/rztwww/Kurse/SSI/SSI_printenv.shtml
REMOTE_PORT=41060
GATEWAY_INTERFACE=CGI/1.1
SERVER_PROTOCOL=HTTP/1.1
REQUEST_METHOD=GET
QUERY_STRING=
REQUEST_URI=/~rztwww/Kurse/SSI/SSI_printenv.shtml
SCRIPT_NAME=/~rztwww/Kurse/SSI/SSI_printenv.shtml
DATE_LOCAL=Saturday, 01-Oct-2022 04:16:18 CEST
DATE_GMT=Saturday, 01-Oct-2022 02:16:18 GMT
LAST_MODIFIED=Wednesday, 31-Mar-1999 14:22:51 CEST
DOCUMENT_URI=/~rztwww/Kurse/SSI/SSI_printenv.shtml
DOCUMENT_ARGS=
USER_NAME=rztwww
DOCUMENT_NAME=SSI_printenv.shtml