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postfix limit client send rate

smtpd_client_message_rate_limit = 2
anvil_rate_time_unit = 60s

The above settings will allow a given user to send a maximum of two messages per minute. Note that the anvil_rate_time_unit setting is also used to control other timeouts.

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windows 10 1909 security update kb number

https://www.catalog.update.microsoft.com/Search.aspx?q=Cumulative+Update+for+windows+10+Version+1909+for+x64-based+Systems

2019-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4524570)
2019-12 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4530684)
2020-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4528760)
2020-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4532695)
2020-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4532693)
2020-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4535996)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4540673)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4551762)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4541335)
2020-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4554364)
2020-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4549951)
2020-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4550945)
2020-05 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4556799)
2020-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4560960)
2020-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4567512)
2020-07 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4565483)
2020-08 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4565351)
2020-09 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4574727)
2020-10 Cumulative Update for Windows Server, version 1909 for x64-based Systems (KB4577671)
2020-10 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4577671)
2020-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4586786)
2020-11 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4594443)
2020-11 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4594443)
2020-12 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4592449)
2021-01 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4598229)
2021-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4601315)
2021-02 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB4601315)
2021-02 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001028)
2021-02 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001028)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5000808)
2021-03 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5000808)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001566)
2021-03 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001648)
2021-04 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001337)
2021-04 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5001337)
2021-05 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003169)
2021-05 Dynamic Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003169)
2021-06 Cumulative Update for Windows 10 Version 1909 for x64-based Systems (KB5003635)
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disk encryption for linux

cryptsetup -s 512 -y luksFormat /dev/sda2
cryptsetup luksOpen /dev/sda2 slackcrypt


umount /mnt service udev stop lvchange -a n <LV-name> cryptsetup luksClose <LUKS-devicename> service udev start
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BGP netscreen

Example: Enable BGP on the untrust VR and Ethernet 0/2 interface, which is peering to 1.1.1.1:

Via the CLI:

Enable BGP on the Untrust VR:

>Set vr untrust protocol bgp 65100

>set vr untrust-vr protocol bgp enable [Enter]            

Configure the BGP neighbor:

>set vrouter "untrust-vr" protocol bgp neighbor 1.1.1.1 remote-as 65100 local-ip 172.27.201.135/32 
outgoing-interface ethernet0/2

Enable BGP on the neighbor:

set vr untrust-vr protocol bgp neighbor 1.1.1.1 enable [Enter]

Enable BGP on the interface:

set interface e0/2 protocol bgp [Enter]

Continue reading “BGP netscreen”