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1. #Shadowsocks client support chacha20 ietf poly1305 how to#
2. #Shadowsocks client support chacha20 ietf poly1305 install#

We also encourage you report the block to us and we will carefully investigate it. If your server got blocked, too, please consider using the backup ports to mitigate the blocking.

Since this tutorial can defend all known active probing attacks by the GFW, it is likely that the censor has employed some unknown attacks against Shadowsocks-libev. Q&A Q: Why did my server still get blocked when I followed your tutorial?Ī: As of November 7 2021, we indeed received a few report on the blocking of Shadowsocks. Note that setting a PREROUTING rule on ephermeral ports ( /proc/sys/net/ipv4/ip_local_port_range) will not disrupt normal outgoing connections that use those ephermeral ports as source ports. Now double check you have both snapd and Snap core installed:Ĭhain PREROUTING (policy ACCEPT 0 packets, 0 bytes)

#Shadowsocks client support chacha20 ietf poly1305 install#

Snap is the officially recommended way to install Shadowsocks-libev. Please let us know and we will improve the documentation. If you get lost at any step of this tutorial, This tutorial is intended to be friendly to non-technical users. Please consider bookmark this page because we commit to make this tutorial up-to-date and provide latest best practices to defend against emerging attacks. We thus share a way to setup backup ports to mitigate the inconvenience caused by port blocking. We compile a list of commonly asked questions, debunking common myths of Shadowsocks-libev.Īs of November 7, 2021, we received a few reports on the blocking of Shadowsocks ports.

Including active probing from the GFW and the partitioning oracle attack.

#Shadowsocks client support chacha20 ietf poly1305 how to#

This tutorial documents how to install, configure and maintain a Shadowsocks-libev server.īy following this tutorial, your Shadowsocks-libev servers should be able to defend against various attacks,