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Apache HTTP Server

TMA-APACHE-5.9

Ensure Old HTTP Protocol Versions Are Disallowed

Trung bìnhCấp 1Tự độngapache

Mô tả

The Apache modules mod_rewrite or mod_security can be used to disallow old and invalid HTTP protocols versions. The HTTP version 1.1 RFC is dated June 1999 and has been supported by Apache since version 1.2. It should no longer be necessary to allow ancient versions of HTTP such as 1.0 and prior. The global server context must have RewriteEngine On, a RewriteCond %{THE_REQUEST} !(HTTP/1\.1|HTTP/2\.0)$ condition and a RewriteRule with the [F] flag, and every <VirtualHost> must contain RewriteEngine On and RewriteOptions Inherit. Reads the main configuration (APACHE_CONF overrides; default /etc/apache2/apache2.conf, /etc/httpd/conf/httpd.conf or /usr/local/apache2/conf/httpd.conf) and every Include/IncludeOptional file.

Cách kiểm tra

Phương pháp kiểm tra: Lệnh shell

shell
c=${APACHE_CONF:-}; if [ -z "$c" ]; then for f in /etc/apache2/apache2.conf /etc/httpd/conf/httpd.conf /usr/local/apache2/conf/httpd.conf /etc/apache2/httpd.conf; do [ -f "$f" ] && { c=$f; break; }; done; fi; [ -r "$c" ] || exit 1; R=$(awk 'tolower($1)=="serverroot"{v=$2; gsub(/"/,"",v); print v; exit}' "$c"); [ -n "$R" ] || R=$(dirname "$c"); shopt -s nocasematch; inc(){ local p g l; [ ${#FUNCNAME[@]} -lt 16 ] || return 0; p=$1; case $p in /*) ;; *) p=$R/$p;; esac; [ -d "$p" ] && p="$p/*"; for g in $p; do [ -f "$g" ] || continue; while IFS= read -r l || [ -n "$l" ]; do if [[ $l =~ ^[[:space:]]*include(optional)?[[:space:]]+\"?([^\"[:space:]]+) ]]; then inc "${BASH_REMATCH[2]}"; else printf '%s\n' "$l"; fi; done < "$g"; done; }; cfg=$(inc "$c" | sed -e 's/^[[:space:]]*//' -e '/^#/d' -e '/^$/d'); shopt -u nocasematch; printf '%s\n' "$cfg" | awk '{l=tolower($0)} l~/^<virtualhost/{vh=1; nv++; ve=0; vi=0; next} l~/^<\/virtualhost>/{vh=0; if(!(ve&&vi)) bad=1; next} !vh && l~/^rewriteengine[[:space:]]+on/{ge=1} !vh && l~/^rewritecond[[:space:]]+%\{the_request\}[[:space:]]+!/ && l~/http\/1/{gc=1} !vh && l~/^rewriterule[[:space:]]/ && l~/\[([a-z,=]*,)?f(,[a-z,=]*)?\]/{gr=1} vh && l~/^rewriteengine[[:space:]]+on/{ve=1} vh && l~/^rewriteoptions[[:space:]]+.*inherit/{vi=1} END{print (ge&&gc&&gr&&!bad)?"compliant":"noncompliant"}'
Đầu ra mong đợi
compliant

Cách khắc phục

Phương pháp khắc phục: Hướng dẫn hoặc bản vá hạ tầng

Load mod_rewrite and add globally: RewriteEngine On / RewriteCond %{THE_REQUEST} !(HTTP/1\.1|HTTP/2\.0)$ / RewriteRule .* - [F]; add RewriteEngine On and RewriteOptions Inherit to every <VirtualHost>. Then run apachectl configtest and reload Apache.

Thuộc tính

Hệ điều hành
Bất kỳ
Thẻ
apachefeatures
Tham chiếu
CIS Apache HTTP Server 2.4 Benchmark v2.4.0 - 5.9 Ensure Old HTTP Protocol Versions Are Disallowed

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shell
tmaegis scan --target apache