User contributions for Saurabh
From Notes_Wiki
- 05:09, 8 October 2023 diff hist +236 m CentOS 8.x Control Web panel
- 05:08, 8 October 2023 diff hist +974 N CentOS 8.x Control Web panel miscellaneous issues Created page with "Home > CentOS > CentOS 8.x > Email servers > Control Web panel > Miscellaneous issues =Disable Excessive resource usage alerts for processes= Control web panel will send periodic alerts for processes using too much resources. For example for zabbix-agent2. To disable such alerts use: # SSH to server as root # Edit file '<tt>/etc/csf..." current
- 03:32, 12 September 2023 diff hist +37 m CentOS 7.x convert from ImageMagick current
- 03:31, 12 September 2023 diff hist +379 m Convert
- 03:30, 12 September 2023 diff hist +244 m Pdftk
- 06:36, 8 September 2023 diff hist +1,074 m Build VxRail 7.0 current
- 06:27, 8 September 2023 diff hist +39 m Enterprise security devices or applications current
- 06:27, 8 September 2023 diff hist +1,843 N Planning for migrating a firewall Created page with "Home > Enterprise security devices or applications > Planning for migrating a firewall While coordinating on downtime / planning for migrating to a new firewall, it makes sense to have following information : # From when to when is the downtime? # Who is the contact person available during downtime to help with: #* Cable identification (ISP1 cable, LAN cable, etc.) locally on site #* Coordiante with local users on the site if and when services are..." current
- 06:24, 8 September 2023 diff hist +365 m Paloalto firewall captive portal
- 06:21, 8 September 2023 diff hist +355 m Paloalto general notes or best practices current
- 06:19, 8 September 2023 diff hist +249 m Paloalto firewall current
- 06:19, 8 September 2023 diff hist +119 m Paloalto firewall captive portal
- 06:17, 8 September 2023 diff hist +349 m Paloalto firewall captive portal
- 06:14, 8 September 2023 diff hist +1,781 N Paloalto URL filtering Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto URL filtering =Creating desired URL filtering policy= Clone the default URL filtering policy default and configure a URL filtering policy as per organization (Eg block violence sites). The meaning of category eg business is not explained anywhere on the interface and is left up to interpretation. However there is a check URL link. https://urlfiltering.paloalt..." current
- 06:10, 8 September 2023 diff hist +407 N Paloalto troubleshooting options Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto troubleshooting options *Paloalto firewall packet capturing *Paltalto firewall Monitor Session Browser *Paltalto firewall Monitor allowed/denied traffic Home > Enterprise security devices or applications > Paloalto firewall > Paloalto troubleshooting options"
- 06:10, 8 September 2023 diff hist +773 N Paltalto firewall Monitor allowed/denied traffic Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto troubleshooting options > Paltalto firewall Monitor allowed/denied traffic Go to Monitor -> Logs -> Traffic. Here we filter for source/destination. Here unlike session monitoring we can see historic (Based on log storage capacity of firewall) sessions and whether they were allowed or denied. Example filter ( addr.dst in 192.168.0.0/24 ) Same as monitor ->..."
- 06:09, 8 September 2023 diff hist +961 N Paltalto firewall Monitor Session Browser Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto troubleshooting options > Paltalto firewall Monitor Session Browser We can monitor for sessions from specific source or to specific destinations to see whether they are even going through firewall. Once we go to Monitor -> Session Browser and configure filters. For filter click on any source / destination etc. listed and change the value. Example filter to s..."
- 06:08, 8 September 2023 diff hist +78 m Paloalto firewall packet capturing current
- 06:06, 8 September 2023 diff hist +1,529 N Paloalto Policy based forwarding (PBF) Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto Policy based forwarding (PBF) On PBF note that: * We dont need PBF for incoming NAT reply packets. Using ECMP with symmetric return on router is enough. * Dont do PBF with a specific ISP when the same source machine LAN machine is NAT with public IP of other ISP. In that case reply packets try to use a different ISP (As per PBF) and configuration does not works..." current
- 06:03, 8 September 2023 diff hist +2 m Paloalto using ECMP for active/active ISP connectivity current
- 06:00, 8 September 2023 diff hist +1,866 N Paloalto using ECMP for active/active ISP connectivity Created page with "Home > Enterprise security devices or applications > Paloalto firewall > aloalto using ECMP for active/active ISP connectivity =Enabling ECMP= If organization has multiple ISPs then: # Enable ECMP in virtual router with symmetric return. We can enable up to 4 equal cost routes via ECMP # After commit check "runtime stats" local routing table of the device (Should be done on device, cant be done via panorama) and validate that we have default r..."
- 05:46, 8 September 2023 diff hist +779 m Paloalto NAT examples
- 05:44, 8 September 2023 diff hist +781 N Paloalto NAT examples Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto NAT examples =NAT of public IP to private IP on a few ports= To NAT a public IP:port to private IP:port use: # Create WAN to WAN Security rule with destination as NATed public IP with all services and all ports # Create NAT rule from WAN to LAN with source IP as any and destination IP as WAN public IP. After NAT change the destination IP to LAN IP. Here in NAT..."
- 05:41, 8 September 2023 diff hist +2,779 N Paloalto Configure firewall for proxy DNS Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto Configure firewall for proxy DNS Palo Alto Networks firewalls can act as DNS servers for local users. By configuring DNS Proxy on the firewall, you can intercept DNS requests from internal clients and forward them to external DNS servers or resolve them locally. =Configure DNS proxy via setup and service route configuration= To check the DNS settings on a Palo A..." current
- 05:34, 8 September 2023 diff hist +543 N Paloalto general notes or best practices Created page with "Home > Enterprise security devices or applications > Paloalto firewall > Paloalto general notes or best practices =Add /32 netmask for a single IP= Adding netmask eg /32 for a single IP is important. Without this the policy / rule may get accepted and committed but does not works unless we add /32 netmask. This should be followed for all address objects without fail. Home > Enterprise security devices or applications >..."
- 04:48, 8 September 2023 diff hist +196 m Configuring nrpe based internal service checks current
- 04:46, 8 September 2023 diff hist +45 m CentOS 8.x systemd or systemctl
- 04:46, 8 September 2023 diff hist +435 m Check cluster status via systemd service current
- 04:45, 8 September 2023 diff hist +103 m Check cluster status via systemd service
- 04:44, 8 September 2023 diff hist +118 m Check cluster health via nagios plugin current
- 04:43, 8 September 2023 diff hist +163 m SAP setup and maintenance
- 04:43, 8 September 2023 diff hist +2,910 N Check cluster health via nagios plugin Created page with "Home > Suse > SAP setup and maintenance > Check cluster health via nagios plugin We can monitor cluster health using nagios plugin using: '''Not tested in production''' #Create a plugin to be called via nrpe on the cluster host '<tt>/usr/lib64/nagios/plugins/cluster_check.sh</tt>' with: <source type="bash"> #!/bin/bash # Run crm status command and capture output crm_output=$(crm status 2>&1) # Check for error or warning in output, ignoring ca..."
- 04:33, 8 September 2023 diff hist +71 m Systemd
- 04:33, 8 September 2023 diff hist +285 m CentOS 8.x systemd or systemctl
- 04:31, 8 September 2023 diff hist +2,798 N Check cluster status via systemd service Created page with "Home > Suse > SAP setup and maintenance > Check cluster status via systemd service We can check cluster status via a systemd script using: '''Not tested in production''' # Setup outgoing email via postfix on the system so that email can be sent using mail command via CentOS 8.x postfix send email through relay or smarthost with smtp authentication # Create a systemd script '<tt>/etc/systemd/system/cluster_status_check.service</tt>' with: <s..."
- 04:23, 8 September 2023 diff hist +456 m CentOS 8.x Systemd based reverse ssh tunnel service current
- 04:20, 8 September 2023 diff hist +126 m CentOS 8.x SAP setup and maintenance current
- 04:15, 8 September 2023 diff hist +3,658 m CentOS 8.x postfix send email through relay or smarthost with smtp authentication
- 04:11, 17 August 2023 diff hist +557 m Rsnapshot current
- 14:01, 22 July 2023 diff hist +452 m Rocky 8.x SSH client Connecting to old network devices with legacy protocols and ciphers current
- 05:56, 19 July 2023 diff hist +43 m Rocky 9.x System Administration
- 05:56, 19 July 2023 diff hist +930 N Rocky 9.x Add UEFI boot option in BIOS Created page with "Home > Rocky Linux or CentOS > Rocky Linux 9.x > System Administration > Add UEFI boot option in BIOS If for some reason UEFI boot option from BIOS for Rocky is removed and you want to add it again use: # Disable secure boot. This may require shimx64 efi image # Add a new option for Rocky pointing to '<tt>EFI/rocky/grubx64.efi</tt>' file under EFI boot partition # Eithe..." current
- 08:10, 26 June 2023 diff hist +3,011 m Upgrading 12SP4 LPAR to 15SP1 current
- 05:19, 26 June 2023 diff hist +158 m Paloalto firewall Configure dual ISP dual site-to-site IPSec VPN tunnel failover current
- 05:08, 26 June 2023 diff hist +224 m Rocky 9.x Upgrade Rocky 8.x to Rocky 9.x
- 05:04, 26 June 2023 diff hist +1,226 m Rocky 9.x Upgrade Rocky 8.x to Rocky 9.x
- 01:35, 24 June 2023 diff hist +63 m Rocky 9.x Configure new laptop for personal use
- 01:34, 24 June 2023 diff hist +63 m Rocky 8.x New laptop OS configuration
- 06:45, 23 June 2023 diff hist +72 m RHEL 8.x Spectrum Protect Backup Agent installation in RHEL client current
- 06:44, 23 June 2023 diff hist +134 m RHEL 8.x Spectrum Protect Backup Agent installation in RHEL client
