Added multiple small changes to client and code, submitting almost finished chapter 5

docs/bibliography/bibliography.bib

@@ -781,7 +781,7 @@ AMD64 Architecture Processor Supplement},
 },
 
 @online{embracethered_getdents,
-	title={Offensive BPF: Understanding and using bpf_probe_write_user},
+	title={Offensive BPF: Understanding and using bpf\_probe\_write\_user},
 	date={2021-10-20},
 	author={Johann Rehberger},
 	url={https://embracethered.com/blog/posts/2021/offensive-bpf-libbpf-bpf_probe_write_user/}
@@ -790,6 +790,29 @@ AMD64 Architecture Processor Supplement},
 @online{dtype_dirent,
 	title={Format of a Directory Entry},
 	url={https://www.gnu.org/software/libc/manual/html_node/Directory-Entries.html}
+},
+
+@online{virtualbox_page,
+	title={VirtualBox},
+	url={https://www.virtualbox.org/}
+},
+
+@online{bridged_networking,
+	title={Bridgeg Networking},
+	url={https://docs.oracle.com/en/virtualization/virtualbox/6.0/user/network_bridged.html}
+},
+
+@online{nat_comptia,
+	title={What Is NAT?},
+	institution={CompTIA},
+	url={https://www.comptia.org/content/guides/what-is-network-address-translation}
+},
+
+@online{kernel_modules_restrict,
+	title={Increasing Linux kernel integrity},
+	author={Michael Boelen},
+	date={2015-05-12},
+	url={https://linux-audit.com/increase-kernel-integrity-with-disabled-linux-kernel-modules-loading/}
 }