diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 3f2a882..2bbd3bc 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -41,10 +41,10 @@
 			"extensions": [
 				"donjayamanne.githistory",
 				"eamodio.gitlens",
-				"matklad.rust-analyzer",
 				"mhutchie.git-graph",
 				"ms-azuretools.vscode-docker",
 				"mutantdino.resourcemonitor",
+				"rust-lang.rust-analyzer",
 				"serayuzgur.crates",
 				"tamasfe.even-better-toml",
 				"vadimcn.vscode-lldb"
diff --git a/src/c2se/core/network.rs b/src/c2se/core/network.rs
index e69de29..0069248 100644
--- a/src/c2se/core/network.rs
+++ b/src/c2se/core/network.rs
@@ -0,0 +1,3 @@
+const HEADER: &str = "bet.beteran.c2se.core.network";
+
+pub const HEADER_CLIENT: &str = const_format::concatcp!(HEADER, ".Client");