350 V6100 and V7122 User Guide If you use SNMP, do not leave the community strings at their default values as they canbe easily guessed by hackers (see SNMP Community Names). Use a firewall to protect your VoIP network from external attacks. Network robustnessmay be compromised if the network is exposed to Denial of Service (DoS) attacks. DoSattacks are mitigated by Stateful firewalls. Do not allow unauthorized traffic to reach theV7122.Legal NoticeBy default, the V7122 supports export-grade (40-bit and 56-bit) encryption due to USgovernment restrictions on the export of security technologies. To enable 128-bit and 256-bitencryption on your device, contact your 3Com representative.This product includes software developed by the OpenSSL Project for use in the OpenSSLToolkit (www.openssl.org)This product includes cryptographic software written by Eric Young' (eay@cryptsoft.com).Reader’s Notes
