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gateway_centos_7 [2015/03/27 10:02] – herwarthgateway_centos_7 [2016/01/01 14:05] (current) – herwarth
Line 13: Line 13:
 </code> </code>
   systemctl restart sshd   systemctl restart sshd
 +  systemctl disable kdump
 <code - /etc/sudoers.d/users> <code - /etc/sudoers.d/users>
 herwarth ALL=(ALL) ALL herwarth ALL=(ALL) ALL
Line 50: Line 51:
 UUID=aa0c6edb-9b36-424c-b331-d7989db83218 UUID=aa0c6edb-9b36-424c-b331-d7989db83218
 ONBOOT=yes ONBOOT=yes
-IPADDR0=10.0.0.2+IPADDR0=10.108.108.5
 PREFIX0=24 PREFIX0=24
 HWADDR=00:0C:29:EC:43:C5 HWADDR=00:0C:29:EC:43:C5
Line 64: Line 65:
 </code> </code>
  
 +=====MSMTP=====
 +We want to be able to mail using an mailserver on the outside and not using an internal one. This is for reporting only, so no incoming mail required.
 +====Installation====
 +  yum remove postfix
 +  yum install msmtp mailx
 +====Configuration====
 +<code - /etc/msmtprc>
 +account default
 +tls on
 +tls_trust_file /etc/pki/tls/certs/ca-bundle.crt
 +auth on
 +host mail.helux.nl
 +port 587
 +user noreply@helux.nl
 +from noreply@helux.nl
 +password <PASSWORD>
 +</code>
 +  chmod 644 /etc/msmtprc
 +<code - /etc/aliases>
 +default: noreply@helux.nl
 +</code>
 +  ln -s /bin/msmtp /sbin/sendmail
 +=====ARCCONF=====
 +This is for monitoring the hardware health of the RAID controller.
 +
 +====Installation====
 +Download the necessary software [[https://www.adaptec.com/en-us/speed/raid/storage_manager/cim_vmware_v7_31_18856_zip.php]]
 +Unzip it and we need only the following: remote-arcconf-7.31-18856.x86_64.bin
 +  chmod 755 remote-arcconf-7.31-18856.x86_64.bin
 +  ./remote-arcconf-7.31-18856.x86_64.bin
 +====Configuration====
 +<code - /etc/cron.hourly/arctest_status.sh>
 +#!/bin/bash
 +export ARCCONF_PATH=/usr/RemoteArcconf/
 +
 +DATE=$(date +"%F (%H:%M:%Sh)")
 +RAID=/var/tmp/aac_check_$(date +"%F_%H-%M-%Sh").txt
 +RAIDSTATUSFILE=/var/tmp/aac_status.txt
 +ARCCONF=/usr/RemoteArcconf/arcconf
 +RECIPIENT="herwarth@helux.nl herwarth@heitmann.nl"
 +$ARCCONF getconfig 1 al > $RAID
 +CTRLSTAT=$(grep 'Controller Status' $RAID| cut -d\: -f2 | cut -d' ' -f2)
 +
 +## Optimal
 +echo "Adaptec Status $DATE :" >$RAIDSTATUSFILE
 +echo "----------------------------------------" >>$RAIDSTATUSFILE
 +echo "Controller status : $CTRLSTAT" >>$RAIDSTATUSFILE
 +CTRLBATINFO=$(grep -A 2 'Controller Battery' $RAID|grep 'Status'| cut -d\: -f2)
 +CTRTEMP=$(grep 'Temperature' $RAID| awk '{print $7}' | sed -e 's/^.*(\(.*\)),*/\1/')
 +CTRTEMPERATURE=$(grep 'Temperature' $RAID) >>$RAIDSTATUSFILE
 +## Normal
 +echo "Battery status: $CTRLBATINFO" >>$RAIDSTATUSFILE
 +echo $CTRTEMPERATURE >>$RAIDSTATUSFILE
 +LOGICSTAT=$(grep 'Status of logical device' $RAID| cut -d\: -f2 | cut -d' ' -f2)
 +## Optimal
 +echo "Status of logical device : $LOGICSTAT" >>$RAIDSTATUSFILE
 +LOGICSTR=$(grep 'Failed stripes' $RAID| cut -d\: -f2 | cut -d' ' -f2)
 +## No
 +echo "Failed stripes : $LOGICSTR" >>$RAIDSTATUSFILE
 +
 +# number of drives
 +DRIVESNO=$(grep -B 1 -A 1 'Device is a Hard' $RAID | grep -c 'Device #')
 +
 +echo "Devices found : $DRIVESNO" >>$RAIDSTATUSFILE
 +if [ "$CTRLSTAT" = "Optimal" ] ; then
 +  # when everything is OK send the status message on Wednesday and Saturday (Wed / Sat) on 02.00 hrs, which is set to run in CRON every hour (15 * * * * /usr/local/bin/arctest_status.sh >/dev/null )
 +  # if you don't want to get emails if nothing wrong then don't use this block if ... fi
 +  # this should be all in 1 line
 +  if ( [ "$(date +"%H")" = "02" ] && [ "$(date +"%a")" = "Wed" ] ) || ( [ "$(date +"%H")" = "02" ] && [ "$(date +"%a")" = "Sat" ] ) ; then
 +    i="0"
 +    while [ $i -lt "$DRIVESNO" ] ; do
 +      CURDRIVE=DRIVE$i
 +      # this should be all in 1 line
 +      echo "$CURDRIVE : $(grep -A 2 "Device #$i" $RAID | grep 'State' | cut -d\: -f2 | cut -d' ' -f2)" >>$RAIDSTATUSFILE
 +      i=$[$i+1]
 +    done
 +    # this should be all in 1 line
 +    mail -s "Adaptec RAID status $DATE " $RECIPIENT < $RAIDSTATUSFILE
 +  fi
 +  $(rm $RAID)
 +  elif [ "$CTRLSTAT" != "Optimal" ] ; then
 +    ## SENDTHEMAIL
 +    cat $RAID >>$RAIDSTATUSFILE
 +    # this should be all in 1 line
 +    mail -s "RAID FAILURE - Adaptec RAID error $DATE !" $RECIPIENT < $RAIDSTATUSFILE
 +  else
 +    cat $RAID >>$RAIDSTATUSFILE
 +    # this should be all in 1 line
 +    mail -s "RAID FAILURE - Adaptec RAID error $DATE !" $RECIPIENT < $RAIDSTATUSFILE
 +fi
 +</code>
 +=====DHCP server=====
 +====Installation====
 +  yum install dhcp
 +====Configuration====
 +<code - /etc/dhcp/dhcpd.conf>
 +# DHCP Server Configuration file.
 +# see /usr/share/doc/dhcp*/dhcpd.conf.example
 +# see dhcpd.conf(5) man page
 +#
 +# option definitions common to all supported networks...
 +
 +option domain-name "lz.zorgnet";
 +option domain-name-servers 10.108.108.15;
 +option local-proxy-config code 252 = text;
 +default-lease-time 86400;
 +max-lease-time 172800;
 +authoritative;
 +
 +subnet 10.108.108.0 netmask 255.255.255.0 {
 +  range dynamic-bootp 10.108.108.151 10.108.108.200;
 +  option broadcast-address 10.108.108.255;
 +  option routers 10.108.108.254;
 +  option local-proxy-config "http://10.108.108.5/proxy.pac";
 +}
 +
 +host admin1 {
 +  hardware ethernet 00:0c:29:c9:ee:dc;
 +  fixed-address 10.108.108.151;
 +}
 +</code>
 +  systemctl start dhcpd
 +  systemctl enable dhcpd
 =====Squid===== =====Squid=====
 ====Installation==== ====Installation====
Line 71: Line 195:
 . .
 visible_hostname gateway.lz.local visible_hostname gateway.lz.local
-http_port 3128+http_port 0.0.0.0:3128
 . .
 #enable only (adapt to zorgnet subnet) #enable only (adapt to zorgnet subnet)
-acl localnet src 10.0.0.0/24     # RFC1918 possible internal network+acl localnet src 10.108.108.0/24     # RFC1918 possible internal network
 . .
 #enable 1024MB cache-size #enable 1024MB cache-size
 cache_dir ufs /var/spool/squid 1024 16 256 cache_dir ufs /var/spool/squid 1024 16 256
 +.
 +# Diable IPv6
 +dns_v4_first on
 . .
 </code> </code>
Line 85: Line 212:
 On the Windows client set the proxy server as the Administrator user in IE. After that run command-box with the following command: On the Windows client set the proxy server as the Administrator user in IE. After that run command-box with the following command:
   netsh winhttp import proxy source=ie   netsh winhttp import proxy source=ie
 +
 +Or use a proxy.pac file:
 +<code - /var/www/html/proxy.pac>
 +function FindProxyForURL(url, host) {
 + 
 +// If the requested website is hosted within the internal network, send direct.
 +    if (isPlainHostName(host) ||
 + shExpMatch(host, "10.*") ||
 + shExpMatch(host, "127.*") ||
 + shExpMatch(host, "0.0.0.0"))
 +        return "DIRECT";
 +    else
 +        return "PROXY 10.108.108.5:3128";
 +}
 +</code>
 +  cd /var/www/html
 +  ln -s proxy.pac wpad.dat
 +
 =====Guacamole===== =====Guacamole=====
 This is the HTML5 RDP/SSH/VNC gateway application using Tomcat and Apache as reverse-proxy. This is the HTML5 RDP/SSH/VNC gateway application using Tomcat and Apache as reverse-proxy.
Line 103: Line 248:
     password="ae17a12b89597e7539a9900ed5da9489"     password="ae17a12b89597e7539a9900ed5da9489"
     encoding="md5">     encoding="md5">
-    <connection name="RDP: desktop1">+    <connection name="RDP: admin1">
       <protocol>rdp</protocol>       <protocol>rdp</protocol>
-      <param name="hostname">10.0.0.200</param>+      <param name="hostname">10.108.108.201</param>
     </connection>     </connection>
     <connection name="SSH: nas">     <connection name="SSH: nas">
       <protocol>ssh</protocol>       <protocol>ssh</protocol>
-      <param name="hostname">10.0.0.3</param>+      <param name="hostname">10.108.108.15</param>
     </connection>     </connection>
   </authorize>   </authorize>
Line 126: Line 271:
   setsebool -P httpd_can_network_connect 1   setsebool -P httpd_can_network_connect 1
 ====Configuration==== ====Configuration====
-<code - /etc/httpd/conf.d/guacamolo.conf>+<code - /etc/httpd/conf.d/default.conf>
 <VirtualHost *:80> <VirtualHost *:80>
     ServerAdmin webmaster@helux.nl     ServerAdmin webmaster@helux.nl
  
-    RewriteEngine On +    <Directory "/var/www/html"> 
-    RewriteRule ^(.*)$ https://%{HTTP_HOST}$1 [R=301,L]+        AllowOverride All 
 +        Options MultiViews FollowSymlinks SymLinksIfOwnerMatch IncludesNoExec 
 +        Options -Indexes 
 +        Order allow,deny 
 +        Allow from all 
 +    </Directory>
  
-    ErrorLog /var/log/httpd/guacd-error.log +    <Files "proxy.pac"> 
-    CustomLog /var/log/httpd/guacd-access.log common +        AddType application/x-ns-proxy-autoconfig pac 
-</VirtualHost>+    </Files> 
 +    <Files "wpad.dat"> 
 +        AddType application/x-ns-proxy-autoconfig dat 
 +    </Files>
  
 +    ErrorLog /var/log/httpd/default-error.log
 +    CustomLog /var/log/httpd/default-access.log common
 +</VirtualHost>
 +</code>
 +<code - /etc/httpd/conf.d/guacamolo.conf>
 <VirtualHost *:443> <VirtualHost *:443>
     ServerAdmin webmaster@helux.nl     ServerAdmin webmaster@helux.nl
Line 182: Line 340:
   yum install chrony   yum install chrony
 ====Configuration==== ====Configuration====
-<code - /etc/chronyd.conf>+<code - /etc/chrony.conf>
 # Allow NTP client access from local network. # Allow NTP client access from local network.
 #allow 192.168/16 #allow 192.168/16
-allow 10.0.0.0/8+allow 10.108.108.0/24
  
 # Listen for commands only on localhost. # Listen for commands only on localhost.
Line 221: Line 379:
      
 ====Create new zones==== ====Create new zones====
-  firewall-cmd --permanent --new-zone=local 
   firewall-cmd --permanent --new-zone=zorgnet   firewall-cmd --permanent --new-zone=zorgnet
  
Line 229: Line 386:
   firewall-cmd --permanent --zone=public --add-source=::/0   firewall-cmd --permanent --zone=public --add-source=::/0
  
-  firewall-cmd --permanent --zone=local --add-source=172.16.3.0/24 +  firewall-cmd --permanent --zone=zorgnet --add-source=10.108.108.0/24
- +
-  firewall-cmd --permanent --zone=zorgnet --add-source=10.0.0.0/24+
  
 ====Create additional services==== ====Create additional services====
Line 246: Line 401:
   firewall-cmd --permanent --zone=public --add-service=http   firewall-cmd --permanent --zone=public --add-service=http
   firewall-cmd --permanent --zone=public --add-service=https   firewall-cmd --permanent --zone=public --add-service=https
- +  firewall-cmd --permanent --zone=public --add-service=ssh
-  firewall-cmd --permanent --zone=local --add-service=ssh +
-  firewall-cmd --permanent --zone=local --add-service=http +
-  firewall-cmd --permanent --zone=local --add-service=https+
  
   firewall-cmd --permanent --zone=zorgnet --add-service=ssh   firewall-cmd --permanent --zone=zorgnet --add-service=ssh
Line 257: Line 409:
   firewall-cmd --permanent --zone=zorgnet --add-service=dns   firewall-cmd --permanent --zone=zorgnet --add-service=dns
   firewall-cmd --permanent --zone=zorgnet --add-service=squid   firewall-cmd --permanent --zone=zorgnet --add-service=squid
 +  firewall-cmd --permanent --zone=zorgnet --add-service=dhcp
  
 ====Set default zone==== ====Set default zone====
-  firewall-cmd --set-default-zone=local+  firewall-cmd --set-default-zone=public
  
   systemctl enable firewalld   systemctl enable firewalld
  
 +=====Fail2ban=====
 +  yum install -y fail2ban fail2ban-systemd
 +  yum update -y selinux-policy*
 +Configure fail2ban, we decide to use FirewallD which is implemented by default in CentOS 7.
 +Put the following lines in /etc/fail2ban/jail.d/sshd.local
 +<code - /etc/fail2ban/jail.d/sshd.local>
 +[sshd]
 +enabled = true
 +port = ssh
 +logpath = %(sshd_log)s
 +maxretry = 5
 +bantime = 86400
 +</code>
 +
 +  systemctl enable fail2ban
 +  systemctl start fail2ban
 {{tag>centos}} {{tag>centos}}
gateway_centos_7.1427450528.txt.gz · Last modified: by herwarth

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