默认情况下,如果用作IMAP / POP代理,CentOS 7下的Nginx将无法启动.这是因为SE
Linux.
如何在不禁用其保护的情况下更改SELinux的配置,以允许Nginx按需运行？
audit.log
@H_404_6@type=AVC msg=audit(1429125129.833:2286): avc: denied { name_bind } for pid=26451 comm="Nginx" src=143 scontext=system_u:system_r:httpd_t:s0 tcontext=system_u:object_r:pop_port_t:s0 tclass=tcp_socketNginx.conf
@H_404_6@mail { auth_http unix:/run/Nginx-mailauth.sock; ssl_prefer_server_ciphers on; ssl_session_cache shared:mail-TLSSL:16m; ssl_session_timeout 10m; ssl_session_tickets on; ssl_certificate /etc/pki/tls/certs/mail.example.com.cer; ssl_certificate_key /etc/pki/tls/private/mail.example.com.key; ssl_session_ticket_key /etc/pki/tls/private/mail.example.com-session_ticket.key; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; #For antimony-webmail imap_capabilities "IMAP4rev1" "ACL" "BINARY" "CATENATE" "CHILDREN" "CONDSTORE" "ENABLE" "ESEARCH" "ID" "IDLE" "LIST-EXTENDED" "LITERAL+" "MULTIAPPEND" "NAMESPACE" server { protocol imap; listen 143; starttls only; } server { protocol imap; listen 993; ssl on; } #For antimony-webmail pop3_capabilities "EXPIRE 31 USER" "TOP" "UIDL" "USER" "XOIP"; server { protocol pop3; listen 110; starttls only; pop3_auth plain; } server { protocol pop3; listen 995; ssl on; pop3_auth plain; } }systemctl
@H_404_6@[root@mail ~]# systemctl start Nginx Job for Nginx.service Failed. See 'systemctl status Nginx.service' and 'journalctl -xn' for details. [root@mail ~]# systemctl status Nginx.service Nginx.service - The Nginx HTTP and reverse proxy server Loaded: loaded (/usr/lib/systemd/system/Nginx.service; disabled) Active: Failed (Result: exit-code) since Wed 2015-04-15 12:12:09 PDT; 5s ago Process: 26446 ExecStop=/bin/kill -s QUIT $MAINPID (code=exited,status=0/SUCCESS) Process: 25373 ExecReload=/bin/kill -s HUP $MAINPID (code=exited,status=0/SUCCESS) Process: 26400 ExecStart=/usr/sbin/Nginx (code=exited,status=0/SUCCESS) Process: 26451 ExecStartPre=/usr/sbin/Nginx -t (code=exited,status=1/FAILURE) Main PID: 26402 (code=exited,status=0/SUCCESS) Apr 15 12:12:09 mail.dev.example.com Nginx[26451]: Nginx: the configuration file /etc/Nginx/Nginx.conf Syntax is ok Apr 15 12:12:09 mail.dev.example.com Nginx[26451]: Nginx: [emerg] bind() to 0.0.0.0:143 Failed (13: Permission denied) Apr 15 12:12:09 mail.dev.example.com Nginx[26451]: Nginx: configuration file /etc/Nginx/Nginx.conf test Failed Apr 15 12:12:09 mail.dev.example.com systemd[1]: Nginx.service: control process exited,code=exited status=1 Apr 15 12:12:09 mail.dev.example.com systemd[1]: Failed to start The Nginx HTTP and reverse proxy server. Apr 15 12:12:09 mail.dev.example.com systemd[1]: Unit Nginx.service entered Failed state.