https://sekurak.pl/automatyczne-wykrywanie-proxy-wpad/
https://niebezpiecznik.pl/post/wylaczcie-protokol-wpad-na-swoich-windowsach/
https://www.cert.pl/news/single/przejecie-domen-pl-zwiazanych-z-atakiem-badwpad/

private vlan
	https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/configuration/guide/cli/CLIConfigurationGuide/PrivateVLANs.html
automatic assigned vlan
	https://www.cisco.com/en/US/products/hw/switches/ps679/products_configuration_guide_chapter09186a008007d764.html
	https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960x/software/15-2_2_e/vlan/configuration_guide/b_vlan_1522e_2960x_cg/b_vlan_152ex_2960-x_cg_chapter_0101.html#d17174e243a1635
802.1x
	802.1x client
	MAB
	Captive portal
DHCP snooping - porty zaufane i nie zaufane, limitowanie dhcp discover
	https://pasja-informatyki.pl/sieci-komputerowe/konfiguracja-dhcp-snooping/
	https://lukasz.bromirski.net/docs/prezos/securecon2007/bezpieczenstwo_sieci.pdf
port-security
DAI - Dynamic ARP Inspection
	https://kb.netgear.com/21808/What-is-Dynamic-ARP-inspection-DAI-and-how-does-it-work-with-my-managed-switch
	https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/37e/consolidated_guide/b_37e_consolidated_3850_cg/configuring_dynamic_arp_inspection.html
IP Source Guard
	https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SX/configuration/guide/book/ipsrcgrd.pdf
VLAN hopping
DTP
STP