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Cipher suites supported by TLS1.1. and 1.2
IBM Domino 8.5.3 and mitigating the BEAST attack on TLS (SSLTest)None of the cipher suites supported by the client application are supported by the serverHow can I verify if TLS 1.2 is supported on a remote web server from the RHEL/CentOS shell?Windows Server 2008 R2 - SHA2 based Cipher SuitesHow to set “server preference” for tls cipher suites?Exchange 2010 rejecting Amazon SES TLS with UntrusedRootHow to configure IIS 7.5 SSL TLS to work with iOS 9 ATSopenvpn, option tls-cipher not working, no shared cipherCipher suits supported by TLS1.1. and 1.2TLS 1.2 client hello triggers TCP Reset from 2012 R2
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We have SSLv3 disabled in DataPower. I ran sslscan to check what all cipher suites can be used currently during SSL handshake.
In the sslscan output, I have found out that below cipher suites are being accepted.
TLSv1 256 bits AES256-SHA
TLSv1 128 bits AES128-SHA
TLSv1 168 bits DES-CBC3-SHA
TLSv1 128 bits RC4-SHA
Preferred Server Cipher: TLSv1 256 bits AES256-SHA
I then, disabled TLS1.0 on DataPower (server) and ran the sslscan again. The result was not what I was expecting.
All the ciphersuites including the ones which were accepted during handshake over TLS1.0 are being rejected.
How would I come to know, which cipher suits my server will accept if I disable TLS1.0?
tls
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
migrated from security.stackexchange.com Dec 15 '15 at 14:43
This question came from our site for information security professionals.
add a comment |
We have SSLv3 disabled in DataPower. I ran sslscan to check what all cipher suites can be used currently during SSL handshake.
In the sslscan output, I have found out that below cipher suites are being accepted.
TLSv1 256 bits AES256-SHA
TLSv1 128 bits AES128-SHA
TLSv1 168 bits DES-CBC3-SHA
TLSv1 128 bits RC4-SHA
Preferred Server Cipher: TLSv1 256 bits AES256-SHA
I then, disabled TLS1.0 on DataPower (server) and ran the sslscan again. The result was not what I was expecting.
All the ciphersuites including the ones which were accepted during handshake over TLS1.0 are being rejected.
How would I come to know, which cipher suits my server will accept if I disable TLS1.0?
tls
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
migrated from security.stackexchange.com Dec 15 '15 at 14:43
This question came from our site for information security professionals.
2
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26
add a comment |
We have SSLv3 disabled in DataPower. I ran sslscan to check what all cipher suites can be used currently during SSL handshake.
In the sslscan output, I have found out that below cipher suites are being accepted.
TLSv1 256 bits AES256-SHA
TLSv1 128 bits AES128-SHA
TLSv1 168 bits DES-CBC3-SHA
TLSv1 128 bits RC4-SHA
Preferred Server Cipher: TLSv1 256 bits AES256-SHA
I then, disabled TLS1.0 on DataPower (server) and ran the sslscan again. The result was not what I was expecting.
All the ciphersuites including the ones which were accepted during handshake over TLS1.0 are being rejected.
How would I come to know, which cipher suits my server will accept if I disable TLS1.0?
tls
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
We have SSLv3 disabled in DataPower. I ran sslscan to check what all cipher suites can be used currently during SSL handshake.
In the sslscan output, I have found out that below cipher suites are being accepted.
TLSv1 256 bits AES256-SHA
TLSv1 128 bits AES128-SHA
TLSv1 168 bits DES-CBC3-SHA
TLSv1 128 bits RC4-SHA
Preferred Server Cipher: TLSv1 256 bits AES256-SHA
I then, disabled TLS1.0 on DataPower (server) and ran the sslscan again. The result was not what I was expecting.
All the ciphersuites including the ones which were accepted during handshake over TLS1.0 are being rejected.
How would I come to know, which cipher suits my server will accept if I disable TLS1.0?
tls
tls
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
edited Dec 15 '15 at 15:07
D34DM347
1,34521631
1,34521631
asked Dec 15 '15 at 13:55
user2607367user2607367
65
asked Dec 15 '15 at 13:55
user2607367user2607367
65
asked Dec 15 '15 at 13:55
user2607367user2607367
65
65
migrated from security.stackexchange.com Dec 15 '15 at 14:43
This question came from our site for information security professionals.
migrated from security.stackexchange.com Dec 15 '15 at 14:43
This question came from our site for information security professionals.
2
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26
add a comment |
2
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26
2
2
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26
add a comment |
1 Answer
1
active
oldest
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Your output only references TLS 1.0, and disabling it refuses those disabled TLS 1.0 choices as it should. Refer to the DataPower references and documentation to support TLS 1.1 and TLS 1.2 as well as configuring cipher suites. Start with checking your firmware version and properly upgrading to better support the latest TLS configurations.
Here is a reference for DataPower supporting TSL 1.1 and TLS 1.2 by default in firmware version 6. Your current version may not support anything but TLS 1.0, and not allowing yet to configure TLS 1.1, nor TLS 1.2. http://www-01.ibm.com/support/docview.wss?uid=swg21578730 references specific crypto configurations to get granular enough to resolve issues within each TLS version, such as beast.
Once upgraded and configured re-run sslscan, or alternatives if you would like to compare against sslscan such as testssl.sh.
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
add a comment |
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1 Answer
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1 Answer
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Your output only references TLS 1.0, and disabling it refuses those disabled TLS 1.0 choices as it should. Refer to the DataPower references and documentation to support TLS 1.1 and TLS 1.2 as well as configuring cipher suites. Start with checking your firmware version and properly upgrading to better support the latest TLS configurations.
Here is a reference for DataPower supporting TSL 1.1 and TLS 1.2 by default in firmware version 6. Your current version may not support anything but TLS 1.0, and not allowing yet to configure TLS 1.1, nor TLS 1.2. http://www-01.ibm.com/support/docview.wss?uid=swg21578730 references specific crypto configurations to get granular enough to resolve issues within each TLS version, such as beast.
Once upgraded and configured re-run sslscan, or alternatives if you would like to compare against sslscan such as testssl.sh.
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
add a comment |
Your output only references TLS 1.0, and disabling it refuses those disabled TLS 1.0 choices as it should. Refer to the DataPower references and documentation to support TLS 1.1 and TLS 1.2 as well as configuring cipher suites. Start with checking your firmware version and properly upgrading to better support the latest TLS configurations.
Here is a reference for DataPower supporting TSL 1.1 and TLS 1.2 by default in firmware version 6. Your current version may not support anything but TLS 1.0, and not allowing yet to configure TLS 1.1, nor TLS 1.2. http://www-01.ibm.com/support/docview.wss?uid=swg21578730 references specific crypto configurations to get granular enough to resolve issues within each TLS version, such as beast.
Once upgraded and configured re-run sslscan, or alternatives if you would like to compare against sslscan such as testssl.sh.
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
add a comment |
Your output only references TLS 1.0, and disabling it refuses those disabled TLS 1.0 choices as it should. Refer to the DataPower references and documentation to support TLS 1.1 and TLS 1.2 as well as configuring cipher suites. Start with checking your firmware version and properly upgrading to better support the latest TLS configurations.
Here is a reference for DataPower supporting TSL 1.1 and TLS 1.2 by default in firmware version 6. Your current version may not support anything but TLS 1.0, and not allowing yet to configure TLS 1.1, nor TLS 1.2. http://www-01.ibm.com/support/docview.wss?uid=swg21578730 references specific crypto configurations to get granular enough to resolve issues within each TLS version, such as beast.
Once upgraded and configured re-run sslscan, or alternatives if you would like to compare against sslscan such as testssl.sh.
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
Your output only references TLS 1.0, and disabling it refuses those disabled TLS 1.0 choices as it should. Refer to the DataPower references and documentation to support TLS 1.1 and TLS 1.2 as well as configuring cipher suites. Start with checking your firmware version and properly upgrading to better support the latest TLS configurations.
Here is a reference for DataPower supporting TSL 1.1 and TLS 1.2 by default in firmware version 6. Your current version may not support anything but TLS 1.0, and not allowing yet to configure TLS 1.1, nor TLS 1.2. http://www-01.ibm.com/support/docview.wss?uid=swg21578730 references specific crypto configurations to get granular enough to resolve issues within each TLS version, such as beast.
Once upgraded and configured re-run sslscan, or alternatives if you would like to compare against sslscan such as testssl.sh.
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
answered Dec 21 '15 at 19:13
IancnordenIancnorden
1175
1175
add a comment |
add a comment |
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2
This is really a question for serverfault (where you should specify what software you're using). If you want to know what cypher suites you can use with OpenSSL (one of the implementation of TLS), you can go there: openssl.org/docs/manmaster/apps/ciphers.html
– Stephane
Dec 15 '15 at 14:00
You also might want to check the appropriate RFC.
– Iszi
Dec 15 '15 at 14:26