=== Request line ===
GET /~sho/phptest/header_dump.php HTTP/1.1

=== Source guess (jump-from hints) ===
Referer: (none)
Origin : (none)
Sec-Fetch-Site: (none)
Sec-Fetch-Mode: (none)
Sec-Fetch-Dest: (none)
Sec-Fetch-User: (none)

--- Notes ---
- Referer not provided (could be direct visit, policy, privacy setting, HTTPS->HTTP, etc.)
- Origin not provided (often absent on top-level GET navigations; more common on CORS/fetch/POST).
- Sec-Fetch-* headers not provided (browser may not send them).

=== All request headers ===
accept: */*
accept-encoding: gzip, br, zstd, deflate
host: netwatch.c.u-tokyo.ac.jp
user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

=== Key _SERVER vars ===
REMOTE_ADDR=216.73.216.149
REMOTE_PORT=50504
HTTP_HOST=netwatch.c.u-tokyo.ac.jp
HTTPS=on
REQUEST_SCHEME=https
SERVER_NAME=netwatch.c.u-tokyo.ac.jp
SERVER_ADDR=157.82.35.232
SERVER_PORT=443
REQUEST_METHOD=GET
REQUEST_URI=/~sho/phptest/header_dump.php
QUERY_STRING=

=== Full _SERVER dump (raw) ===
CONTEXT_DOCUMENT_ROOT=/home/sho/public_html
CONTEXT_PREFIX=/~sho
DOCUMENT_ROOT=/var/www
GATEWAY_INTERFACE=CGI/1.1
HTTPS=on
HTTP_ACCEPT=*/*
HTTP_ACCEPT_ENCODING=gzip, br, zstd, deflate
HTTP_HOST=netwatch.c.u-tokyo.ac.jp
HTTP_USER_AGENT=Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
PHP_SELF=/~sho/phptest/header_dump.php
QUERY_STRING=
REMOTE_ADDR=216.73.216.149
REMOTE_PORT=50504
REQUEST_METHOD=GET
REQUEST_SCHEME=https
REQUEST_TIME=1781471665
REQUEST_TIME_FLOAT=1781471665.6648
REQUEST_URI=/~sho/phptest/header_dump.php
SCRIPT_FILENAME=/home/sho/public_html/phptest/header_dump.php
SCRIPT_NAME=/~sho/phptest/header_dump.php
SERVER_ADDR=157.82.35.232
SERVER_ADMIN=sho@c.u-tokyo.ac.jp
SERVER_NAME=netwatch.c.u-tokyo.ac.jp
SERVER_PORT=443
SERVER_PROTOCOL=HTTP/1.1
SERVER_SIGNATURE=<address>Apache/2.4.52 (Ubuntu) Server at netwatch.c.u-tokyo.ac.jp Port 443</address>

SERVER_SOFTWARE=Apache/2.4.52 (Ubuntu)
SSL_CIPHER=TLS_AES_256_GCM_SHA384
SSL_CIPHER_ALGKEYSIZE=256
SSL_CIPHER_EXPORT=false
SSL_CIPHER_USEKEYSIZE=256
SSL_CLIENT_VERIFY=NONE
SSL_COMPRESS_METHOD=NULL
SSL_PROTOCOL=TLSv1.3
SSL_SECURE_RENEG=true
SSL_SERVER_A_KEY=rsaEncryption
SSL_SERVER_A_SIG=sha256WithRSAEncryption
SSL_SERVER_I_DN=CN=NII Open Domain CA - G7 RSA,O=SECOM Trust Systems CO.\,LTD.,C=JP
SSL_SERVER_I_DN_C=JP
SSL_SERVER_I_DN_CN=NII Open Domain CA - G7 RSA
SSL_SERVER_I_DN_O=SECOM Trust Systems CO.,LTD.
SSL_SERVER_M_SERIAL=3DFA0CF655E0FF65B9B0CCAEBB700E08
SSL_SERVER_M_VERSION=3
SSL_SERVER_SAN_DNS_0=netwatch.c.u-tokyo.ac.jp
SSL_SERVER_S_DN=CN=netwatch.c.u-tokyo.ac.jp,O=The University of Tokyo,L=Bunkyo-ku,ST=Tokyo,C=JP
SSL_SERVER_S_DN_C=JP
SSL_SERVER_S_DN_CN=netwatch.c.u-tokyo.ac.jp
SSL_SERVER_S_DN_L=Bunkyo-ku
SSL_SERVER_S_DN_O=The University of Tokyo
SSL_SERVER_S_DN_ST=Tokyo
SSL_SERVER_V_END=Sep  8 00:33:05 2026 GMT
SSL_SERVER_V_START=Aug  8 00:33:05 2025 GMT
SSL_SESSION_ID=e25e5a5db8b2e2b599b7a2ceaf2f19822f97f59b084d31ea5ed065bcb7dd55af
SSL_SESSION_RESUMED=Initial
SSL_TLS_SNI=netwatch.c.u-tokyo.ac.jp
SSL_VERSION_INTERFACE=mod_ssl/2.4.52
SSL_VERSION_LIBRARY=OpenSSL/3.0.2