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Archive for the ‘Networking’ Category

CAN NOT ACCESS TO HTTPS MANAGEMENT OF JUNIPER SSG VI CHROME (ERROR CODE: ERR_SSL_VERSION_OR_CIPHER_MISMATCH)

Can not access to https management of Juniper SSG through Chrome (Error code: ERR_SSL_VERSION_OR_CIPHER_MISMATCH) A secure connection cannot be established because this site uses an unsupported protocol. Error code: ERR_SSL_VERSION_OR_CIPHER_MISMATCH Resolution 1: 1. Go to the “Chrome://flags” from the address bar. 2. Find “Minimum SSL/TLS” version support” 3. Select ” SSLv3″ option. Resolution 2: Access to WEB […]

Subnet Mask Cheat Sheet

IPv4 Subnet Mask Cheat Sheet Addresses Netmask Amount of a Class C /31 2 255.255.255.254 1/128 /30 4 255.255.255.252 1/64 /29 8 255.255.255.248 1/32 /28 16 255.255.255.240 1/16 /27 32 255.255.255.224 1/8 /26 64 255.255.255.192 1/4 /25 128 255.255.255.128 1/2 /24 256 255.255.255.0 1 /23 512 255.255.254.0 2 /22 1024 255.255.252.0 4 /21 2048 255.255.248.0 […]

RSOP – Invalid Name Space

RSOP – Invalid Name Space Recently had an issue where an entire site was not downloading domain policies. After a thorough search and different attempts to fix the issue below batch file fixed the issue: Windows Management Instrumentation fails due to receiving an event or error concerning missing or failure to load WMI Provider, or […]