SSL Report:
hosting01.snu.ac.kr
(147.47.106.230)
Assessed on: Sun, 08 Jun 2025 15:55:31 UTC
| Clear cache
Summary
0
20
40
60
80
100
Certificate
Protocol Support
Key Exchange
Cipher Strength
Visit our documentation page
for more information, configuration guides, and books. Known issues are documented
here.
This server supports anonymous (insecure) suites (see below for details). Grade set to F.
This server supports insecure cipher suites (see below for details). Grade set to F.
This server is vulnerable to the POODLE attack. If possible, disable SSL 3 to mitigate. Grade capped to C.
MORE INFO »
This server accepts RC4 cipher, but only with older protocols. Grade capped to B.
MORE INFO »
This server does not support Forward Secrecy with the reference browsers.
Grade capped to B.
MORE INFO »
This server supports TLS 1.0 and TLS 1.1.
Grade capped to B. MORE INFO »
This server supports TLS 1.3. MORE INFO »
Certificate #1: RSA 2048 bits (SHA256withRSA)
|
Server Key and Certificate #1
|
|
| Subject |
*.snu.ac.kr
Fingerprint SHA256: 2cc7b7171e90a154bb53c044464ce00a35346abc714f32bfc4362f7a6dda884b Pin SHA256: p23qEj8Txjy952PY2uLCnDKvDhLyiESwbhs1AZ2lSCc= |
| Common names | *.snu.ac.kr |
| Alternative names | *.snu.ac.kr snu.ac.kr |
| Serial Number | 3e9be14c6da4c46d760ed768 |
| Valid from | Mon, 10 Jun 2024 02:37:56 UTC |
| Valid until | Sat, 12 Jul 2025 02:37:55 UTC (expires in 1 month and 3 days) |
| Key | RSA 2048 bits (e 65537) |
| Weak key (Debian) | No |
| Issuer | GlobalSign RSA OV SSL CA 2018
AIA: http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt |
| Signature algorithm | SHA256withRSA |
| Extended Validation | No |
| Certificate Transparency | Yes (certificate) |
| OCSP Must Staple | No |
| Revocation information |
CRL, OCSP CRL: http://crl.globalsign.com/gsrsaovsslca2018.crl OCSP: http://ocsp.globalsign.com/gsrsaovsslca2018 |
| Revocation status | Good (not revoked) |
| DNS CAA | No (more info) |
| Trusted | Yes
Mozilla Apple Android Java Windows |
Certification Paths |
Certificate #2: RSA 2048 bits (SHA256withRSA)
|
Server Key and Certificate #1
|
|
| Subject |
*.snu.ac.kr
Fingerprint SHA256: c431ac8a07d7b58647cc094c0a33d215445586cc7ec38f812185a4cfa44db68f Pin SHA256: +uXjiH00PSudt0FiWTjdhpK7yV+4qjKyTlGB6gHEE8Q= |
| Common names | *.snu.ac.kr |
| Alternative names | *.snu.ac.kr snu.ac.kr |
| Serial Number | 7c8f41bd5bed55be0339388a |
| Valid from | Mon, 10 Jun 2024 02:37:34 UTC |
| Valid until | Sat, 12 Jul 2025 02:37:33 UTC (expires in 1 month and 3 days) |
| Key | RSA 2048 bits (e 65537) |
| Weak key (Debian) | No |
| Issuer | GlobalSign RSA OV SSL CA 2018
AIA: http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt |
| Signature algorithm | SHA256withRSA |
| Extended Validation | No |
| Certificate Transparency | Yes (certificate) |
| OCSP Must Staple | No |
| Revocation information |
CRL, OCSP CRL: http://crl.globalsign.com/gsrsaovsslca2018.crl OCSP: http://ocsp.globalsign.com/gsrsaovsslca2018 |
| Revocation status | Good (not revoked) |
| DNS CAA | No (more info) |
| Trusted | Yes
Mozilla Apple Android Java Windows |
|
Certification Paths |
Configuration
| Protocols | |
| TLS 1.3 | Yes |
| TLS 1.2 | Yes |
| TLS 1.1 | Yes |
| TLS 1.0 | Yes |
| SSL 3 INSECURE | Yes |
| SSL 2 | No |
| Cipher Suites | ||
|
# TLS 1.3 (server has no preference)
|
||
TLS_AES_128_GCM_SHA256 (0x1301)
ECDH x25519 (eq. 3072 bits RSA) FS
|
128 | |
TLS_AES_128_CCM_SHA256 (0x1304)
ECDH x25519 (eq. 3072 bits RSA) FS
|
128 | |
TLS_AES_128_CCM_8_SHA256 (0x1305)
ECDH x25519 (eq. 3072 bits RSA) FS
|
128 | |
TLS_AES_256_GCM_SHA384 (0x1302)
ECDH x25519 (eq. 3072 bits RSA) FS
|
256 | |
TLS_CHACHA20_POLY1305_SHA256 (0x1303)
ECDH x25519 (eq. 3072 bits RSA) FS
|
256 | |
|
# TLS 1.2 (server has no preference)
|
||
TLS_RSA_WITH_NULL_MD5 (0x1)
INSECURE
|
0 | |
TLS_RSA_WITH_NULL_SHA (0x2)
INSECURE
|
0 | |
TLS_ECDHE_RSA_WITH_NULL_SHA (0xc010)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
0 | |
TLS_RSA_WITH_NULL_SHA256 (0x3b)
INSECURE
|
0 | |
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa)
WEAK
|
112 | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x16)
DH 2048 bits FS
WEAK
|
112 | |
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA (0x1b)
INSECURE
|
112 | |
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (0xc012)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
112 | |
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA (0x41)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA (0x45)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_SEED_CBC_SHA (0x96)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_SEED_CBC_SHA (0x9a)
DH 2048 bits FS
WEAK
|
128 | |
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
128 | |
TLS_RSA_WITH_AES_128_CBC_SHA256 (0x3c)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 (0x67)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_AES_128_GCM_SHA256 (0x9c)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 (0x9e)
DH 2048 bits FS
|
128 | |
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 (0xba)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 (0xbe)
DH 2048 bits FS
WEAK
|
128 | |
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 (0xc027)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
128 | |
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)
ECDH secp521r1 (eq. 15360 bits RSA) FS
|
128 | |
TLS_RSA_WITH_ARIA_128_GCM_SHA256 (0xc050)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256 (0xc052)
DH 2048 bits FS
|
128 | |
TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256 (0xc060)
ECDH secp521r1 (eq. 15360 bits RSA) FS
|
128 | |
TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 (0xc076)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
128 | |
TLS_RSA_WITH_AES_128_CCM (0xc09c)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CCM (0xc09e)
DH 2048 bits FS
|
128 | |
TLS_RSA_WITH_AES_128_CCM_8 (0xc0a0)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CCM_8 (0xc0a2)
DH 2048 bits FS
|
128 | |
TLS_RSA_WITH_RC4_128_MD5 (0x4)
INSECURE
|
128 | |
TLS_RSA_WITH_RC4_128_SHA (0x5)
INSECURE
|
128 | |
TLS_DH_anon_WITH_RC4_128_MD5 (0x18)
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_CBC_SHA (0x34)
INSECURE
|
128 | |
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA (0x46)
INSECURE
|
128 | |
TLS_DH_anon_WITH_SEED_CBC_SHA (0x9b)
INSECURE
|
128 | |
TLS_ECDHE_RSA_WITH_RC4_128_SHA (0xc011)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_CBC_SHA256 (0x6c)
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_GCM_SHA256 (0xa6)
INSECURE
|
128 | |
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 (0xbf)
INSECURE
|
128 | |
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)
DH 2048 bits FS
WEAK
|
256 | |
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA (0x84)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA (0x88)
DH 2048 bits FS
WEAK
|
256 | |
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
256 | |
TLS_RSA_WITH_AES_256_CBC_SHA256 (0x3d)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 (0x6b)
DH 2048 bits FS
WEAK
|
256 | |
TLS_RSA_WITH_AES_256_GCM_SHA384 (0x9d)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 (0x9f)
DH 2048 bits FS
|
256 | |
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 (0xc0)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 (0xc4)
DH 2048 bits FS
WEAK
|
256 | |
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 (0xc028)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
256 | |
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (0xc030)
ECDH secp521r1 (eq. 15360 bits RSA) FS
|
256 | |
TLS_RSA_WITH_ARIA_256_GCM_SHA384 (0xc051)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384 (0xc053)
DH 2048 bits FS
|
256 | |
TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384 (0xc061)
ECDH secp521r1 (eq. 15360 bits RSA) FS
|
256 | |
TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 (0xc077)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
256 | |
TLS_RSA_WITH_AES_256_CCM (0xc09d)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CCM (0xc09f)
DH 2048 bits FS
|
256 | |
TLS_RSA_WITH_AES_256_CCM_8 (0xc0a1)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CCM_8 (0xc0a3)
DH 2048 bits FS
|
256 | |
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xcca8)
ECDH secp521r1 (eq. 15360 bits RSA) FS
|
256 | |
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 (0xccaa)
DH 2048 bits FS
|
256 | |
TLS_DH_anon_WITH_AES_256_CBC_SHA (0x3a)
INSECURE
|
256 | |
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA (0x89)
INSECURE
|
256 | |
TLS_DH_anon_WITH_AES_256_CBC_SHA256 (0x6d)
INSECURE
|
256 | |
TLS_DH_anon_WITH_AES_256_GCM_SHA384 (0xa7)
INSECURE
|
256 | |
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 (0xc5)
INSECURE
|
256 | |
|
# TLS 1.1 (server has no preference)
|
||
TLS_RSA_WITH_NULL_MD5 (0x1)
INSECURE
|
0 | |
TLS_RSA_WITH_NULL_SHA (0x2)
INSECURE
|
0 | |
TLS_ECDHE_RSA_WITH_NULL_SHA (0xc010)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
0 | |
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa)
WEAK
|
112 | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x16)
DH 2048 bits FS
WEAK
|
112 | |
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA (0x1b)
INSECURE
|
112 | |
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (0xc012)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
112 | |
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA (0x41)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA (0x45)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_SEED_CBC_SHA (0x96)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_SEED_CBC_SHA (0x9a)
DH 2048 bits FS
WEAK
|
128 | |
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
128 | |
TLS_RSA_WITH_RC4_128_MD5 (0x4)
INSECURE
|
128 | |
TLS_RSA_WITH_RC4_128_SHA (0x5)
INSECURE
|
128 | |
TLS_RSA_WITH_IDEA_CBC_SHA (0x7)
WEAK
|
128 | |
TLS_DH_anon_WITH_RC4_128_MD5 (0x18)
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_CBC_SHA (0x34)
INSECURE
|
128 | |
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA (0x46)
INSECURE
|
128 | |
TLS_DH_anon_WITH_SEED_CBC_SHA (0x9b)
INSECURE
|
128 | |
TLS_ECDHE_RSA_WITH_RC4_128_SHA (0xc011)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
128 | |
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)
DH 2048 bits FS
WEAK
|
256 | |
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA (0x84)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA (0x88)
DH 2048 bits FS
WEAK
|
256 | |
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
256 | |
TLS_DH_anon_WITH_AES_256_CBC_SHA (0x3a)
INSECURE
|
256 | |
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA (0x89)
INSECURE
|
256 | |
|
# TLS 1.0 (server has no preference)
|
||
TLS_RSA_WITH_NULL_MD5 (0x1)
INSECURE
|
0 | |
TLS_RSA_WITH_NULL_SHA (0x2)
INSECURE
|
0 | |
TLS_ECDHE_RSA_WITH_NULL_SHA (0xc010)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
0 | |
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa)
WEAK
|
112 | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x16)
DH 2048 bits FS
WEAK
|
112 | |
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA (0x1b)
INSECURE
|
112 | |
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA (0xc012)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
112 | |
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA (0x41)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA (0x45)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_SEED_CBC_SHA (0x96)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_SEED_CBC_SHA (0x9a)
DH 2048 bits FS
WEAK
|
128 | |
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA (0xc013)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
128 | |
TLS_RSA_WITH_RC4_128_MD5 (0x4)
INSECURE
|
128 | |
TLS_RSA_WITH_RC4_128_SHA (0x5)
INSECURE
|
128 | |
TLS_RSA_WITH_IDEA_CBC_SHA (0x7)
WEAK
|
128 | |
TLS_DH_anon_WITH_RC4_128_MD5 (0x18)
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_CBC_SHA (0x34)
INSECURE
|
128 | |
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA (0x46)
INSECURE
|
128 | |
TLS_DH_anon_WITH_SEED_CBC_SHA (0x9b)
INSECURE
|
128 | |
TLS_ECDHE_RSA_WITH_RC4_128_SHA (0xc011)
ECDH secp521r1 (eq. 15360 bits RSA) FS
INSECURE
|
128 | |
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)
DH 2048 bits FS
WEAK
|
256 | |
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA (0x84)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA (0x88)
DH 2048 bits FS
WEAK
|
256 | |
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA (0xc014)
ECDH secp521r1 (eq. 15360 bits RSA) FS
WEAK
|
256 | |
TLS_DH_anon_WITH_AES_256_CBC_SHA (0x3a)
INSECURE
|
256 | |
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA (0x89)
INSECURE
|
256 | |
|
# SSL 3 (server has no preference)
|
||
TLS_RSA_WITH_NULL_MD5 (0x1)
INSECURE
|
0 | |
TLS_RSA_WITH_NULL_SHA (0x2)
INSECURE
|
0 | |
TLS_RSA_WITH_3DES_EDE_CBC_SHA (0xa)
WEAK
|
112 | |
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA (0x16)
DH 2048 bits FS
WEAK
|
112 | |
TLS_DH_anon_WITH_3DES_EDE_CBC_SHA (0x1b)
INSECURE
|
112 | |
TLS_RSA_WITH_AES_128_CBC_SHA (0x2f)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_AES_128_CBC_SHA (0x33)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA (0x41)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA (0x45)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_SEED_CBC_SHA (0x96)
WEAK
|
128 | |
TLS_DHE_RSA_WITH_SEED_CBC_SHA (0x9a)
DH 2048 bits FS
WEAK
|
128 | |
TLS_RSA_WITH_RC4_128_MD5 (0x4)
INSECURE
|
128 | |
TLS_RSA_WITH_RC4_128_SHA (0x5)
INSECURE
|
128 | |
TLS_RSA_WITH_IDEA_CBC_SHA (0x7)
WEAK
|
128 | |
TLS_DH_anon_WITH_RC4_128_MD5 (0x18)
INSECURE
|
128 | |
TLS_DH_anon_WITH_AES_128_CBC_SHA (0x34)
INSECURE
|
128 | |
TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA (0x46)
INSECURE
|
128 | |
TLS_DH_anon_WITH_SEED_CBC_SHA (0x9b)
INSECURE
|
128 | |
TLS_RSA_WITH_AES_256_CBC_SHA (0x35)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_AES_256_CBC_SHA (0x39)
DH 2048 bits FS
WEAK
|
256 | |
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA (0x84)
WEAK
|
256 | |
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA (0x88)
DH 2048 bits FS
WEAK
|
256 | |
TLS_DH_anon_WITH_AES_256_CBC_SHA (0x3a)
INSECURE
|
256 | |
TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA (0x89)
INSECURE
|
256 | |
| Handshake Simulation | |||
| Android 2.3.7 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 No FS RC4 |
| Android 4.0.4 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp256r1 FS |
| Android 4.1.1 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp521r1 FS |
| Android 4.2.2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp521r1 FS |
| Android 4.3 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp521r1 FS |
| Android 4.4.2 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp521r1 FS |
| Android 5.0.0 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp521r1 FS |
| Android 6.0 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Android 7.0 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Android 8.0 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Android 8.1 | - | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Android 9.0 | - | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Baidu Jan 2015 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp256r1 FS |
| BingPreview Jan 2015 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp521r1 FS |
| Chrome 49 / XP SP3 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Chrome 69 / Win 7 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH x25519 FS |
| Chrome 70 / Win 10 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH x25519 FS |
| Chrome 80 / Win 10 R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH x25519 FS |
| Firefox 31.3.0 ESR / Win 7 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Firefox 47 / Win 7 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Firefox 49 / XP SP3 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Firefox 62 / Win 7 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH x25519 FS |
| Firefox 73 / Win 10 R | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH x25519 FS |
| Googlebot Feb 2018 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 ECDH x25519 FS |
| IE 6 / XP No FS 1 No SNI 2 | RSA 2048 (SHA256) | SSL 3 | TLS_RSA_WITH_RC4_128_MD5 RC4 |
| IE 7 / Vista | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 8 / XP No FS 1 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 RC4 |
| IE 8-10 / Win 7 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp256r1 FS |
| IE 11 / Win 7 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| IE 11 / Win 8.1 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| IE 10 / Win Phone 8.0 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_AES_128_CBC_SHA No FS |
| IE 11 / Win Phone 8.1 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_RSA_WITH_AES_128_CBC_SHA256 No FS |
| IE 11 / Win Phone 8.1 Update R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| IE 11 / Win 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Edge 15 / Win 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH x25519 FS |
| Edge 16 / Win 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH x25519 FS |
| Edge 18 / Win 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH x25519 FS |
| Edge 13 / Win Phone 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Java 6u45 No SNI 2 | RSA 2048 (SHA256) | TLS 1.0 | TLS_RSA_WITH_RC4_128_MD5 No FS RC4 |
| Java 7u25 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA ECDH secp256r1 FS |
| Java 8u161 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Java 11.0.3 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| Java 12.0.1 | - | TLS 1.3 | TLS_AES_128_GCM_SHA256 ECDH secp256r1 FS |
| OpenSSL 0.9.8y | RSA 2048 (SHA256) | TLS 1.0 | TLS_DHE_RSA_WITH_AES_256_CBC_SHA DH 2048 FS |
| OpenSSL 1.0.1l R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp521r1 FS |
| OpenSSL 1.0.2s R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| OpenSSL 1.1.0k R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH x25519 FS |
| OpenSSL 1.1.1c R | - | TLS 1.3 | TLS_AES_256_GCM_SHA384 ECDH x25519 FS |
| Safari 5.1.9 / OS X 10.6.8 | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA ECDH secp256r1 FS |
| Safari 6 / iOS 6.0.1 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Safari 6.0.4 / OS X 10.8.4 R | RSA 2048 (SHA256) | TLS 1.0 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA ECDH secp256r1 FS |
| Safari 7 / iOS 7.1 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Safari 7 / OS X 10.9 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Safari 8 / iOS 8.4 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Safari 8 / OS X 10.10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 ECDH secp256r1 FS |
| Safari 9 / iOS 9 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Safari 9 / OS X 10.11 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Safari 10 / iOS 10 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Safari 10 / OS X 10.12 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Safari 12.1.2 / MacOS 10.14.6 Beta R | - | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Safari 12.1.1 / iOS 12.3.1 R | - | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 ECDH x25519 FS |
| Apple ATS 9 / iOS 9 R | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp256r1 FS |
| Yahoo Slurp Jan 2015 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp384r1 FS |
| YandexBot Jan 2015 | RSA 2048 (SHA256) | TLS 1.2 | TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 ECDH secp521r1 FS |
| (1) Clients that do not support Forward Secrecy (FS) are excluded when determining support for it. | |||
| (2) No support for virtual SSL hosting (SNI). Connects to the default site if the server uses SNI. | |||
| (R) Denotes a reference browser or client, with which we expect better effective security. | |||
| (All) We use defaults, but some platforms do not use their best protocols and features (e.g., Java 6 & 7, older IE). | |||
| (All) Certificate trust is not checked in handshake simulation, we only perform TLS handshake. | |||
| Protocol Details | |
| Secure Renegotiation | Supported |
| Secure Client-Initiated Renegotiation | No |
| Insecure Client-Initiated Renegotiation | No |
| BEAST attack |
Not mitigated server-side (more info)
SSL 3: 0x1, TLS 1.0: 0x1
|
| POODLE (SSLv3) |
Vulnerable INSECURE (more info)
SSL 3: 0x1 |
| POODLE (TLS) | No (more info) |
| Zombie POODLE | No (more info)
TLS 1.2 : 0x000a
|
| GOLDENDOODLE | No (more info)
TLS 1.2 : 0x000a
|
| OpenSSL 0-Length | No (more info)
TLS 1.2 : 0x000a
|
| Sleeping POODLE | No (more info)
TLS 1.2 : 0x000a
|
| Downgrade attack prevention | Yes, TLS_FALLBACK_SCSV supported (more info) |
| SSL/TLS compression | No |
| RC4 | Yes INSECURE (more info) |
| Heartbeat (extension) | No |
| Heartbleed (vulnerability) | No (more info) |
| Ticketbleed (vulnerability) | No (more info) |
| OpenSSL CCS vuln. (CVE-2014-0224) | No (more info) |
| OpenSSL Padding Oracle vuln. (CVE-2016-2107) |
No (more info) |
| ROBOT (vulnerability) | No (more info) |
| Forward Secrecy | With some browsers (more info) |
| ALPN | No |
| NPN | No |
| Session resumption (caching) | No (IDs assigned but not accepted) |
| Session resumption (tickets) | Yes |
| OCSP stapling | No |
| Strict Transport Security (HSTS) | No |
| HSTS Preloading | Not in: Chrome Edge Firefox IE |
| Public Key Pinning (HPKP) | No (more info) |
| Public Key Pinning Report-Only | No |
| Public Key Pinning (Static) | No (more info) |
| Long handshake intolerance | No |
| TLS extension intolerance | No |
| TLS version intolerance | No |
| Incorrect SNI alerts | No |
| Uses common DH primes | No |
| DH public server param (Ys) reuse | No |
| ECDH public server param reuse | No |
| Supported Named Groups | secp256r1, secp384r1, secp521r1, x25519, x448 (Server has no preference) |
| SSL 2 handshake compatibility | Yes |
| 0-RTT enabled | No |
|
HTTP Requests
|
|
1 https://hosting01.snu.ac.kr/
(HTTP/1.1 200 OK)
| 1 | |
| Date | Sun, 08 Jun 2025 15:52:15 GMT | |
| Server | Apache | |
| Content-Length | 355 | |
| Connection | close | |
| Content-Type | text/html | |
| Miscellaneous | |
| Test date | Sun, 08 Jun 2025 15:51:34 UTC |
| Test duration | 236.907 seconds |
| HTTP status code | 200 |
| HTTP server signature | Apache |
| Server hostname | hosting01.snu.ac.kr |
SSL Report v2.4.0