Below is a full list of CSF country codes that can be used in the CSF Firewall configurations for blocking traffic from certain countries:
| AFGHANISTAN | AF | ||||
| ÅLAND ISLANDS | AX | ||||
| ALBANIA | AL | ||||
| ALDERNEY | |||||
| ALGERIA (El Djazaïr) | DZ | ||||
| AMERICAN SAMOA | AS | ||||
| ANDORRA | AD | ||||
| ANGOLA | AO | ||||
| ANGUILLA | AI | ||||
| ANTARCTICA | AQ | ||||
| ANTIGUA AND BARBUDA | AG | ||||
| ARGENTINA | AR | ||||
| ARMENIA | AM | ||||
| ARUBA | AW | ||||
| ASCENSION ISLAND | |||||
| AUSTRALIA | AU | ||||
| AUSTRIA | AT | ||||
| AZERBAIJAN | AZ | ||||
| BAHAMAS | BS | ||||
| BAHRAIN | BH | ||||
| BANGLADESH | BD | ||||
| BARBADOS | BB | ||||
| BELARUS | BY | ||||
| BELGIUM | BE | ||||
| BELIZE | BZ | ||||
| BENIN | BJ | ||||
| BERMUDA | BM | ||||
| BHUTAN | BT | ||||
| BOLIVIA | BO | ||||
| BONAIRE, ST. EUSTATIUS, AND SABA | BQ | ||||
| BOSNIA AND HERZEGOVINA | BA | ||||
| BOTSWANA | BW | ||||
| BOUVET ISLAND | BV | ||||
| BRAZIL | BR | ||||
| BRITISH INDIAN OCEAN TERRITORY | IO | ||||
| BRUNEI DARUSSALAM | BN | ||||
| BULGARIA | BG | ||||
| BURKINA FASO | BF | ||||
| BURUNDI | BI | ||||
| CAMBODIA | KH | ||||
| CAMEROON | CM | ||||
| CANADA | CA | ||||
| CAPE VERDE | CV | ||||
| CAYMAN ISLANDS | KY | ||||
| CENTRAL AFRICAN REPUBLIC | CF | ||||
| CHAD (Tchad) | TD | ||||
| CHANNEL ISLANDS | |||||
| CHILE | CL | ||||
| CHINA | CN | ||||
| CHRISTMAS ISLAND | CX | ||||
| COCOS (KEELING) ISLANDS | CC | ||||
| COLOMBIA | CO | ||||
| COMOROS | KM | ||||
| CONGO, REPUBLIC OF | CG | ||||
| CONGO, THE DEMOCRATIC REPUBLIC OF THE (formerly Zaire) | CD | ||||
| COOK ISLANDS | CK | ||||
| COSTA RICA | CR | ||||
| CÔTE D’IVOIRE (Ivory Coast) | CI | ||||
| CROATIA (Hrvatska) | HR | ||||
| CUBA | CU | ||||
| CURAÇAO | CW | ||||
| CYPRUS | CY | ||||
| CZECH REPUBLIC | CZ | ||||
| DENMARK | DK | ||||
| DJIBOUTI | DJ | ||||
| DOMINICA | DM | ||||
| DOMINICAN REPUBLIC | DO | ||||
| ECUADOR | EC | ||||
| EGYPT | EG | ||||
| EL SALVADOR | SV | ||||
| EQUATORIAL GUINEA | GQ | ||||
| ERITREA | ER | ||||
| ESTONIA | EE | ||||
| ETHIOPIA | ET | ||||
| EUROPEAN UNION | |||||
| FAEROE ISLANDS | FO | ||||
| FALKLAND ISLANDS (MALVINAS) | FK | ||||
| FIJI | FJ | ||||
| FINLAND | FI | ||||
| FRANCE | FR | ||||
| FRENCH GUIANA | GF | ||||
| FRENCH POLYNESIA | PF | ||||
| FRENCH SOUTHERN TERRITORIES | TF | ||||
| GABON | GA | ||||
| GAMBIA, THE | GM | ||||
| GEORGIA | GE | ||||
| GERMANY (Deutschland) | DE | ||||
| GHANA | GH | ||||
| GIBRALTAR | GI | ||||
| GREAT BRITAIN (United Kingdom) | GB | ||||
| GREECE | GR | ||||
| GREENLAND | GL | ||||
| GRENADA | GD | ||||
| GUADELOUPE | GP | ||||
| GUAM | GU | ||||
| GUATEMALA | GT | ||||
| GUERNSEY | GG | ||||
| GUINEA | GN | ||||
| GUINEA-BISSAU | GW | ||||
| GUYANA | GY | ||||
| HAITI | HT | ||||
| HEARD ISLAND AND MCDONALD ISLANDS | HM | ||||
| HONDURAS | HN | ||||
| HONG KONG (Special Administrative Region of China) | HK | ||||
| HUNGARY | HU | ||||
| ICELAND | IS | ||||
| INDIA | IN | ||||
| INDONESIA | ID | ||||
| INTERNATIONAL ORGANIZATIONS | |||||
| IRAN (Islamic Republic of Iran) | IR | ||||
| IRAQ | IQ | ||||
| IRELAND | IE | ||||
| ISLE OF MAN | IM | ||||
| ISRAEL | IL | ||||
| ITALY | IT | ||||
| JAMAICA | JM | ||||
| JAPAN | JP | ||||
| JERSEY | JE | ||||
| JORDAN (Hashemite Kingdom of Jordan) | JO | ||||
| KAZAKHSTAN | KZ | ||||
| KENYA | KE | ||||
| KIRIBATI | KI | ||||
| KOREA (Democratic Peoples Republic of [North] Korea) | KP | ||||
| KOREA (Republic of [South] Korea) | KR | ||||
| KUWAIT | KW | ||||
| KYRGYZSTAN | KG | ||||
| LAO PEOPLE’S DEMOCRATIC REPUBLIC | LA | ||||
| LATVIA | LV | ||||
| LEBANON | LB | ||||
| LESOTHO | LS | ||||
| LIBERIA | LR | ||||
| LIBYA (Libyan Arab Jamahirya) | LY | ||||
| LIECHTENSTEIN (Fürstentum Liechtenstein) | LI | ||||
| LITHUANIA | LT | ||||
| LUXEMBOURG | LU | ||||
| MACAO (Special Administrative Region of China) | MO | ||||
| MACEDONIA (Former Yugoslav Republic of Macedonia) | MK | ||||
| MADAGASCAR | MG | ||||
| MALAWI | MW | ||||
| MALAYSIA | MY | ||||
| MALDIVES | MV | ||||
| MALI | ML | ||||
| MALTA | MT | ||||
| MARSHALL ISLANDS | MH | ||||
| MARTINIQUE | MQ | ||||
| MAURITANIA | MR | ||||
| MAURITIUS | MU | ||||
| MAYOTTE | YT | ||||
| MEXICO | MX | ||||
| MICRONESIA (Federated States of Micronesia) | FM | ||||
| MOLDOVA | MD | ||||
| MONACO | MC | ||||
| MONGOLIA | MN | ||||
| MONTENEGRO | ME | ||||
| MONTSERRAT | MS | ||||
| MOROCCO | MA | ||||
| MOZAMBIQUE (Moçambique) | MZ | ||||
| MYANMAR (formerly Burma) | MM | ||||
| NAMIBIA | NA | ||||
| NAURU | NR | ||||
| NEPAL | NP | ||||
| NETHERLANDS | NL | ||||
| NETHERLANDS ANTILLES (obsolete) | AN | ||||
| NEW CALEDONIA | NC | ||||
| NEW ZEALAND | NZ | ||||
| NICARAGUA | NI | ||||
| NIGER | NE | ||||
| NIGERIA | NG | ||||
| NIUE | NU | ||||
| NORFOLK ISLAND | NF | ||||
| NORTHERN MARIANA ISLANDS | MP | ||||
| NORWAY | NO | ||||
| OMAN | OM | ||||
| PAKISTAN | PK | ||||
| PALAU | PW | ||||
| PALESTINIAN TERRITORIES | PS | ||||
| PANAMA | PA | ||||
| PAPUA NEW GUINEA | PG | ||||
| PARAGUAY | PY | ||||
| PERU | PE | ||||
| PHILIPPINES | PH | ||||
| PITCAIRN | PN | ||||
| POLAND | PL | ||||
| PORTUGAL | PT | ||||
| PUERTO RICO | PR | ||||
| QATAR | QA | ||||
| RÉUNION | RE | ||||
| ROMANIA | RO | ||||
| RUSSIAN FEDERATION | RU | ||||
| RWANDA | RW | ||||
| SAINT BARTHÉLEMY | BL | ||||
| SAINT HELENA | SH | ||||
| SAINT KITTS AND NEVIS | KN | ||||
| SAINT LUCIA | LC | ||||
| SAINT MARTIN (French portion) | MF | ||||
| SAINT PIERRE AND MIQUELON | PM | ||||
| SAINT VINCENT AND THE GRENADINES | VC | ||||
| SAMOA (formerly Western Samoa) | WS | ||||
| SAN MARINO (Republic of) | SM | ||||
| SAO TOME AND PRINCIPE | ST | ||||
| SAUDI ARABIA (Kingdom of Saudi Arabia) | SA | ||||
| SENEGAL | SN | ||||
| SERBIA (Republic of Serbia) | RS | ||||
| SEYCHELLES | SC | ||||
| SIERRA LEONE | SL | ||||
| SINGAPORE | SG | ||||
| SINT MAARTEN | SX | ||||
| SLOVAKIA (Slovak Republic) | SK | ||||
| SLOVENIA | SI | ||||
| SOLOMON ISLANDS | SB | ||||
| SOMALIA | SO | ||||
| SOUTH AFRICA (Zuid Afrika) | ZA | ||||
| SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS | GS | ||||
| SOUTH SUDAN | SS | ||||
| SOVIET UNION (Internet code still used) | |||||
| SPAIN (España) | ES | ||||
| SRI LANKA (formerly Ceylon) | LK | ||||
| SUDAN | SD | ||||
| SURINAME | SR | ||||
| SVALBARD AND JAN MAYEN | SJ | ||||
| SWAZILAND | SZ | ||||
| SWEDEN | SE | ||||
| SWITZERLAND (Confederation of Helvetia) | CH | ||||
| SYRIAN ARAB REPUBLIC | SY | ||||
| TAIWAN (“Chinese Taipei” for IOC) | TW | ||||
| TAJIKISTAN | TJ | ||||
| TANGANYIKA | |||||
| TANZANIA | TZ | ||||
| THAILAND | TH | ||||
| TOGO | TG | ||||
| TOKELAU | TK | ||||
| TONGA | TO | ||||
| TRINIDAD AND TOBAGO | TT | ||||
| TUNISIA | TN | ||||
| TURKEY | TR | ||||
| TURKMENISTAN | TM | ||||
| TURKS AND CAICOS ISLANDS | TC | ||||
| TUVALU | TV | ||||
| UGANDA | UG | ||||
| UKRAINE | UA | ||||
| UNITED ARAB EMIRATES | AE | ||||
| UNITED KINGDOM | GB | ||||
| UNITED STATES | US | ||||
| UNITED STATES MINOR OUTLYING ISLANDS | UM | ||||
| URUGUAY | UY | ||||
| UZBEKISTAN | UZ | ||||
| VANUATU | VU | ||||
| VATICAN CITY (Holy See) | VA | ||||
| VENEZUELA | VE | ||||
| VIET NAM | VN | ||||
| VIRGIN ISLANDS, BRITISH | VG | ||||
| VIRGIN ISLANDS, U.S. | VI | ||||
| YUGOSLAVIA (Internet code still used) | |||||
| WALLIS AND FUTUNA | WF | ||||
| WESTERN SAHARA (formerly Spanish Sahara) | EH | ||||
| YEMEN (Yemen Arab Republic) | YE | ||||
| ZAMBIA (formerly Northern Rhodesia) | ZM | ||||
| ZANZIBAR | |||||
| ZIMBABWE | ZW | ||||