Possible way of the government of uganda can block the vpns
Blocking VPN access can be done a few different ways. Ports that are used by common VPN tunneling protocols, such as PPTP or L2TP, to establish their connections and transfer data can be closed by system administrators to prevent their use on certain networks. Similarly, a website can prohibit access to its content by blocking access from IP addresses that are known to belong to popular VPN providers. Some governments have been known to block all access to overseas IP addresses, since VPN use often entails connecting to remote hosts that do not operate under that government's jurisdiction.[2]
Blocking VPN access can be done a few different ways. Ports that are used by common VPN tunneling protocols, such as PPTP or L2TP, to establish their connections and transfer data can be closed by system administrators to prevent their use on certain networks. Similarly, a website can prohibit access to its content by blocking access from IP addresses that are known to belong to popular VPN providers. Some governments have been known to block all access to overseas IP addresses, since VPN use often entails connecting to remote hosts that do not operate under that government's jurisdiction.[2]
As organizations have ramped up efforts to block VPN access bypassing their firewalls, VPN providers have responded by utilizing more sophisticated techniques to make their connections less conspicuous, creating a networking arms race. For instance, as the Chinese government began usingdeep packet inspection to identify VPN protocols, Golden Frog began scrambling OpenVPN packet metadata for its popular VyprVPN service in an attempt to avoid detection
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