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Homework and Emergencies Emergency UNIX and Linux Support Websockets proxy on CentOS Linux? Post 302833589 by snjksh on Wednesday 17th of July 2013 12:14:49 PM
Old 07-17-2013
haproxy configuration

You can use haproxy .......

Please go through the following article.
Configure HAProxy on CentOS/RHEL 5/6 - TecAdmin.net
 

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haproxy_selinux(8)					      SELinux Policy haproxy						haproxy_selinux(8)

NAME
haproxy_selinux - Security Enhanced Linux Policy for the haproxy processes DESCRIPTION
Security-Enhanced Linux secures the haproxy processes via flexible mandatory access control. The haproxy processes execute with the haproxy_t SELinux type. You can check if you have these processes running by executing the ps com- mand with the -Z qualifier. For example: ps -eZ | grep haproxy_t ENTRYPOINTS
The haproxy_t SELinux type can be entered via the haproxy_exec_t file type. The default entrypoint paths for the haproxy_t domain are the following: /usr/sbin/haproxy PROCESS TYPES
SELinux defines process types (domains) for each process running on the system You can see the context of a process using the -Z option to ps Policy governs the access confined processes have to files. SELinux haproxy policy is very flexible allowing users to setup their haproxy processes in as secure a method as possible. The following process types are defined for haproxy: haproxy_t Note: semanage permissive -a haproxy_t can be used to make the process type haproxy_t permissive. SELinux does not deny access to permis- sive process types, but the AVC (SELinux denials) messages are still generated. BOOLEANS
SELinux policy is customizable based on least access required. haproxy policy is extremely flexible and has several booleans that allow you to manipulate the policy and run haproxy with the tightest access possible. If you want to determine whether haproxy can connect to all TCP ports, you must turn on the haproxy_connect_any boolean. Disabled by default. setsebool -P haproxy_connect_any 1 If you want to allow users to resolve user passwd entries directly from ldap rather then using a sssd server, you must turn on the authlo- gin_nsswitch_use_ldap boolean. Disabled by default. setsebool -P authlogin_nsswitch_use_ldap 1 If you want to allow cluster administrative cluster domains memcheck-amd64- to use executable memory, you must turn on the clus- ter_use_execmem boolean. Disabled by default. setsebool -P cluster_use_execmem 1 If you want to allow all daemons to write corefiles to /, you must turn on the daemons_dump_core boolean. Disabled by default. setsebool -P daemons_dump_core 1 If you want to enable cluster mode for daemons, you must turn on the daemons_enable_cluster_mode boolean. Enabled by default. setsebool -P daemons_enable_cluster_mode 1 If you want to allow all daemons to use tcp wrappers, you must turn on the daemons_use_tcp_wrapper boolean. Disabled by default. setsebool -P daemons_use_tcp_wrapper 1 If you want to allow all daemons the ability to read/write terminals, you must turn on the daemons_use_tty boolean. Disabled by default. setsebool -P daemons_use_tty 1 If you want to deny any process from ptracing or debugging any other processes, you must turn on the deny_ptrace boolean. Enabled by default. setsebool -P deny_ptrace 1 If you want to allow all domains to use other domains file descriptors, you must turn on the domain_fd_use boolean. Enabled by default. setsebool -P domain_fd_use 1 If you want to allow all domains to have the kernel load modules, you must turn on the domain_kernel_load_modules boolean. Disabled by default. setsebool -P domain_kernel_load_modules 1 If you want to allow all domains to execute in fips_mode, you must turn on the fips_mode boolean. Enabled by default. setsebool -P fips_mode 1 If you want to enable reading of urandom for all domains, you must turn on the global_ssp boolean. Disabled by default. setsebool -P global_ssp 1 If you want to allow confined applications to run with kerberos, you must turn on the kerberos_enabled boolean. Enabled by default. setsebool -P kerberos_enabled 1 If you want to allow system to run with NIS, you must turn on the nis_enabled boolean. Disabled by default. setsebool -P nis_enabled 1 If you want to allow confined applications to use nscd shared memory, you must turn on the nscd_use_shm boolean. Disabled by default. setsebool -P nscd_use_shm 1 NSSWITCH DOMAIN
If you want to allow users to resolve user passwd entries directly from ldap rather then using a sssd server for the haproxy_t, you must turn on the authlogin_nsswitch_use_ldap boolean. setsebool -P authlogin_nsswitch_use_ldap 1 If you want to allow confined applications to run with kerberos for the haproxy_t, you must turn on the kerberos_enabled boolean. setsebool -P kerberos_enabled 1 MANAGED FILES
The SELinux process type haproxy_t can manage files labeled with the following file types. The paths listed are the default paths for these file types. Note the processes UID still need to have DAC permissions. cluster_conf_t /etc/cluster(/.*)? cluster_log cluster_var_lib_t /var/lib/pcsd(/.*)? /var/lib/cluster(/.*)? /var/lib/openais(/.*)? /var/lib/pengine(/.*)? /var/lib/corosync(/.*)? /usr/lib/heartbeat(/.*)? /var/lib/heartbeat(/.*)? /var/lib/pacemaker(/.*)? cluster_var_run_t /var/run/crm(/.*)? /var/run/cman_.* /var/run/rsctmp(/.*)? /var/run/aisexec.* /var/run/heartbeat(/.*)? /var/run/cpglockd.pid /var/run/corosync.pid /var/run/rgmanager.pid /var/run/cluster/rgmanager.sk haproxy_tmpfs_t haproxy_var_lib_t /var/lib/haproxy(/.*)? haproxy_var_run_t /var/run/haproxy.stat.* /var/run/haproxy.sock.* /var/run/haproxy.pid root_t / /initrd FILE CONTEXTS
SELinux requires files to have an extended attribute to define the file type. You can see the context of a file using the -Z option to ls Policy governs the access confined processes have to these files. SELinux haproxy policy is very flexible allowing users to setup their haproxy processes in as secure a method as possible. STANDARD FILE CONTEXT SELinux defines the file context types for the haproxy, if you wanted to store files with these types in a diffent paths, you need to exe- cute the semanage command to sepecify alternate labeling and then use restorecon to put the labels on disk. semanage fcontext -a -t haproxy_exec_t '/srv/haproxy/content(/.*)?' restorecon -R -v /srv/myhaproxy_content Note: SELinux often uses regular expressions to specify labels that match multiple files. The following file types are defined for haproxy: haproxy_exec_t - Set files with the haproxy_exec_t type, if you want to transition an executable to the haproxy_t domain. haproxy_tmpfs_t - Set files with the haproxy_tmpfs_t type, if you want to store haproxy files on a tmpfs file system. haproxy_unit_file_t - Set files with the haproxy_unit_file_t type, if you want to treat the files as haproxy unit content. haproxy_var_lib_t - Set files with the haproxy_var_lib_t type, if you want to store the haproxy files under the /var/lib directory. haproxy_var_log_t - Set files with the haproxy_var_log_t type, if you want to treat the data as haproxy var log data, usually stored under the /var/log directory. haproxy_var_run_t - Set files with the haproxy_var_run_t type, if you want to store the haproxy files under the /run or /var/run directory. Paths: /var/run/haproxy.stat.*, /var/run/haproxy.sock.*, /var/run/haproxy.pid Note: File context can be temporarily modified with the chcon command. If you want to permanently change the file context you need to use the semanage fcontext command. This will modify the SELinux labeling database. You will need to use restorecon to apply the labels. COMMANDS
semanage fcontext can also be used to manipulate default file context mappings. semanage permissive can also be used to manipulate whether or not a process type is permissive. semanage module can also be used to enable/disable/install/remove policy modules. semanage boolean can also be used to manipulate the booleans system-config-selinux is a GUI tool available to customize SELinux policy settings. AUTHOR
This manual page was auto-generated using sepolicy manpage . SEE ALSO
selinux(8), haproxy(8), semanage(8), restorecon(8), chcon(1), sepolicy(8) , setsebool(8) haproxy 14-06-10 haproxy_selinux(8)
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