Saturday, March 9, 2019

Reject Unlisted Domain ເທິງ Zimbra 8.5 ດ້ວຍ policyd

Image does not exist: https://i0.wp.com/imanudin.net/wp-content/uploads/2014/09/policyd-groups.jpg?resize=825%2C154

ມີຂັ້ນຕອນດັ່ງນີ້:

1. ເລືອກ Policies > Groups.
2. ໃນ action ເລືອກ add
3.ໃສ່ຄຳວ່າ list_domain ໃນຫ້ອງ Name ສ່ວນໃນຫ້ອງ comment ປະຫວ່າງເປົາ ແລ້ວກົດ Submit Query
4. ກັບຄືນມາລາຍການ ແລ້ວເລືອກ list_domain>Action>Change>ຫ້ອງ Disabled ເລືອກເປັນ no >Submit Query ແລ້ວກັບຄືນ
Image does not exist: https://i0.wp.com/imanudin.net/wp-content/uploads/2014/09/policyd-groups.jpg?resize=825%2C154
5. ເລືອກ list_domain>Action>Add ໃຫ້ໃສ່ຂໍ້ມູນ Name= @domain.com >Submit Query>Back to group #domain ແມ່ນໝາຍເຖິງໂດເມນຂອງທ່ານ
Image does not exist: https://i0.wp.com/imanudin.net/wp-content/uploads/2014/09/policyd-members-groups.jpg?resize=825%2C161
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ວິທີຕິດຕັ້ງ PolicyD ເທິງ Zimbra 8.5 ແລະ ຮຸ່ນຕໍ່ມາ

Image does not exist: http://vavai.net/wp-content/uploads/2014/02/policyd_logo-300×130.png

ມີຂັ້ນຕອນຕິດຕັ້ງດັ່ງນີ້:

1. ເປີດໃຫ້ Policyd ທຳງານ

su - zimbra
zmprov ms `zmhostname` +zimbraServiceInstalled cbpolicyd +zimbraServiceEnabled cbpolicyd
cd       
exit

2.ເປີດໃຊ້ Policyd WebUI ດ້ວຍຜູ້ໃຊ້ root

cd /opt/zimbra/httpd/htdocs/ && ln -s ../../cbpolicyd/share/webui

ຈາກນັ້ນໄປແກ້ໄຂໄຟລ໌ /opt/zimbra/cbpolicyd/share/webui/includes/config.php ແລ້ວເອົາເຄື່ອງໝາຍ “#” ໃສ່ທາງໜ້າ $DB_DSN ແລ້ວເພີ່ມອັນໃໝ່ໃສ່ກ່ອນ $DB_USER ດ້ວຍຂໍ້ມູນລຸ່ມນີ້.
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Thursday, March 7, 2019

ວິທີປ້ອງກັນການສົ່ງເມວຕ້ອງ Login ກ່ອນ ໃນ Zimbra

Image does not exist: https://i2.wp.com/imanudin.net/wp-content/uploads/2014/09/thunderbid-different-identity.jpg?resize=493%2C437

ຖ້າໃຊ້ຮຸ່ນ 8.5 ຂຶ້ນມາເຮັດຕາມຂັ້ນຕອນນີ້ໄດ້:
1. ເຂົ້າໃຊ້ຜູ້ໃຊ້ zimbra

su - zimbra
zmprov mcf zimbraMtaSmtpdSenderLoginMaps proxy:ldap:/opt/zimbra/conf/ldap-slm.cf +zimbraMtaSmtpdSenderRestrictions reject_authenticated_sender_login_mismatch

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Wednesday, February 27, 2019

ຕັ້ງຄ່າໃຫ້ reject authenticated sender login mismatch ໃນ zimbra

Image does not exist: https://i.ytimg.com/vi/7iYrw4VSjSM/hqdefault.jpg
ເປັນການປ້ອງກັນການສົ່ງເມວທີ່ບໍ່ໄດ້ມີການລັອກອິນກ່ອນ ຊຶ່ງມີຂັ້ນຕອນດັ່ງນີ້:
1. ກວດເບິ່ງ zimbraMtaSmtpdRejectUnlistedSender ແລະ zimbraMtaSmtpdRejectUnlistedRecipient ໄດ້ເປີດໃຊ້ໃນ zimbra mta?

zmprov gacf | egrep zimbraMtaSmtpdRejectUnlistedSender
zmprov gacf | egrep zimbraMtaSmtpdRejectUnlistedRecipient

ຖ້າຜົນຮັບອອກມາເປັນແບບນີ້ ແມ່ນຍັງບໍ່ໄດ້ເປີດໃຊ້
zimbraMtaSmtpdRejectUnlistedSender: no
zimbraMtaSmtpdRejectUnlistedRecipient: no

2. ເປີດໃຊ້ງານດ້ວຍຄຳສັ່ງ

zmprov mcf zimbraMtaSmtpdRejectUnlistedRecipient yes
zmprov mcf zimbraMtaSmtpdRejectUnlistedSender yes

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ວິທີການສົ່ງເມວທາງ Telnet

Image does not exist: https://cdn.ttgtmedia.com/ITKE/uploads/blogs.dir/25/files/2007/11/test-1.gif

1. ເປີດ command prompt.
ຕອນນີ້ ທ່ານສາມາດເຊື່ອມຕໍ່ ດ້ວຍ ໂປຣແກຣທ telnet ຕາມຄຳສັ່ດັ່ງນີ້:

 telnet example.com 25

2. ພີມ ehlo example.com example.com ເປັນໂດເມນຕົວຢ່າງໃນບົດຄວາມນີ້

ehlo example.com

3. ພີມ mail from: [email protected]:

mail from: [email protected]

4. ພີມ rcpt to: [email protected], [email protected] (ອີເມວປາຍທາງ):

 rcpt to: [email protected][email protected]

5. ຂຽນເນື້ອໃນອີເມວໃຫ້ພີມ data, ຕາມດ້ວຍ subject ແລະ ຂໍ່້ຄວາມສຸດດ້ວຍເຄື່ອງໝາຍ . (ຈ້ຳເມັດ)
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Sunday, February 24, 2019

Gorecon ເຄື່ອງມື ຫາຂໍ້ມູນທາງເວັບໄຊ

Image does not exist: https://securityonline.info/wp-content/uploads/2019/02/Gorecon.png
ມີຫຼາຍຄຳສັ່ງ ແລະ ມີຄຸນລັກນະໃນການຫາຂໍ້ມູນດັ່ງນີ້:

1 – [+] Dns Lookup

2 – [+] Whois Lookup

3 – [+] Nmap scan

4 – [+] Zone Transfer Lookup

5 – [+] Shared DNS server lookup

6 – [+] Web Scrapper

7 – [+] Reverse DNS lookup

8 – [+] Subnet calculator

9 – [+] Admin panel finder (with Screenshots)

10 – [+] Directory Bruteforce (with Screenshots)

11 – [+] Configuration Files Finder

12 – [+] HTTP Header Information

13 – [+] GeoIp Lookup

14 – [+] Find/Analyze Content Management System (CMS)

15 – [+] Email Hunter (find emails of the company)

16 – [+] Use Rapid7 Open Data’s Project Sonar for Finding Subdomains)

17 – [+] Use Virustotal API for Finding subdomains

18 – [+] Use Threatcrowd’s API for Finding subdomains

19 – [+] Run All scans
[Read more…]

Friday, February 15, 2019

ວິທີປິດ Windows 10 Auto Update

Image does not exist: https://social.technet.microsoft.com/Forums/getfile/1132929
1. ປິດທາງ Registry

ໄປທີ່

HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsWindowsUpdateAU
ສ້າງ Key: NoAutoUpdate
ປະເພດ Type: DWORD
ໃສ່ Value: 1

2. ປິດທາງ Service

    1) Click Start, type Services and press Enter on the Services Desktop app
    2) Find the Windows Update service, double-click to open it.
    3) Change Startup type: to Disabled, click OK and restart to take effect.

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