The ausearch is only identifying issues that there are logs for at that time.
Best to create a file context for that path permanantly.
Theres an example of how to do this in the selinux man pages. Typing on my
phone im tryinf to remember the command that the example in its man page.
Semanage fcontext is what you are looking for followed by a restorecon on
the path you added.
Regards peter
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On 9 March 2018 13:18:45 "Nicolas Kovacs" <info@xxxxxxxxxxxxx> wrote:
Hi,
I've setup a transparent HTTP+HTTPS proxy on my server running CentOS 7,
using Squid. Here's my configuration file.
--8<----------------------------------------------------------------
# /etc/squid/squid.conf
# Définitions
acl localnet src 192.168.2.0/24
acl SSL_ports port 443
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 # https
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
# Règles d'accès
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localnet
http_access allow localhost
http_access deny all
# Ports du proxy
http_port 3130
http_port 3128 intercept
https_port 3129 intercept ssl-bump \
cert=/etc/squid/ssl_cert/nestor.microlinux.lan.pem \
generate-host-certificates=on dynamic_cert_mem_cache_size=4MB
# Emplacement de ssl_crtd et du cache des certificats TLS
sslcrtd_program /usr/lib64/squid/ssl_crtd -s /var/lib/ssl_db -M 4MB
sslcrtd_children 8 startup=1 idle=1
# SSL-Bump
acl step1 at_step SslBump1
ssl_bump peek step1
ssl_bump bump all
# Taille du cache dans la RAM
cache_mem 2048 MB
# Emplacement et taille du cache sur le disque
# cache_dir ufs /var/spool/squid 100 16 256
# Vidage système
coredump_dir /var/spool/squid
# Durée de vie des fichiers sans date d'expiration
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
--8<----------------------------------------------------------------
First, I tested the configuration in permissive mode, where it works
perfectly. After running it a while, I get the following SELinux alert.
# sealert -a /var/log/audit/audit.log
***** Plugin catchall (17.1 confidence) suggests *****
If you believe that ssl_crtd should be allowed read access on the
index.txt file by default. Then you should report this as a bug. You can
generate a local policy module to allow this access. Do allow this
access for now by executing:
# ausearch -c 'ssl_crtd' --raw | audit2allow -M my-sslcrtd
# semodule -i my-sslcrtd.pp
Unfortunately the suggested solution doesn't work, because the problem
reappears, and I get all sorts of errors in /var/log/squid/cache.log,
all due to ssl_crtd not being able to access stuff under /var/lib/ssl_db.
Any idea how I can solve this problem permanently ?
Cheers,
Niki
--
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7, place de l'église - 30730 Montpezat
Site : https://www.microlinux.fr
Blog : https://blog.microlinux.fr
Mail : info@xxxxxxxxxxxxx
Tél. : 04 66 63 10 32
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