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October 1, 2015 20:25
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Apple Transport Security Diagnostics on Amazon S3
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| You can test ATS diagnositcs in Mac OS X El Capitan by running: | |
| nscurl --ats-diagnostics -v https://s3.amazonaws.com | |
| Here is the log: | |
| ================================================================================ | |
| Starting ATS Diagnostics | |
| Configuring ATS Info.plist keys and displaying the result of HTTPS loads to https://s3.amazonaws.com. | |
| A test will "PASS" if URLSession:task:didCompleteWithError: returns a nil error. | |
| ================================================================================ | |
| Default ATS Secure Connection | |
| --- | |
| ATS Default Connection | |
| ATS Dictionary: | |
| { | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=<SecTrust 0x7fe15b804f40 [0x7fff7507e890]>, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, NSErrorPeerCertificateChainKey=( | |
| "<SecCertificate 0x7fe159f297c0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159f104a0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159f14100 [0x7fff7507e890]>" | |
| ), NSUnderlyingError=0x7fe15bb00e30 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, kCFStreamPropertySSLPeerTrust=<SecTrust 0x7fe15b804f40 [0x7fff7507e890]>, _kCFNetworkCFStreamSSLErrorOriginalValue=-9802, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, kCFStreamPropertySSLPeerCertificates=( | |
| "<SecCertificate 0x7fe159f297c0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159f104a0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159f14100 [0x7fff7507e890]>" | |
| )}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://s3.amazonaws.com/, NSErrorFailingURLStringKey=https://s3.amazonaws.com/, NSErrorClientCertificateStateKey=0} | |
| --- | |
| ================================================================================ | |
| Allowing Arbitrary Loads | |
| --- | |
| Allow All Loads | |
| ATS Dictionary: | |
| { | |
| NSAllowsArbitraryLoads = true; | |
| } | |
| Result : PASS | |
| --- | |
| ================================================================================ | |
| Configuring TLS exceptions for s3.amazonaws.com | |
| --- | |
| TLSv1.2 | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.2"; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=<SecTrust 0x7fe159fba7d0 [0x7fff7507e890]>, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, NSErrorPeerCertificateChainKey=( | |
| "<SecCertificate 0x7fe159fb98e0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159fb9c20 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159fb9f60 [0x7fff7507e890]>" | |
| ), NSUnderlyingError=0x7fe15ba00fe0 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, kCFStreamPropertySSLPeerTrust=<SecTrust 0x7fe159fba7d0 [0x7fff7507e890]>, _kCFNetworkCFStreamSSLErrorOriginalValue=-9802, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, kCFStreamPropertySSLPeerCertificates=( | |
| "<SecCertificate 0x7fe159fb98e0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159fb9c20 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159fb9f60 [0x7fff7507e890]>" | |
| )}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://s3.amazonaws.com/, NSErrorFailingURLStringKey=https://s3.amazonaws.com/, NSErrorClientCertificateStateKey=0} | |
| --- | |
| --- | |
| TLSv1.1 | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.1"; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=<SecTrust 0x7fe159d27e20 [0x7fff7507e890]>, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, NSErrorPeerCertificateChainKey=( | |
| "<SecCertificate 0x7fe159d26ff0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159d26570 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159d27530 [0x7fff7507e890]>" | |
| ), NSUnderlyingError=0x7fe159c0e4f0 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, kCFStreamPropertySSLPeerTrust=<SecTrust 0x7fe159d27e20 [0x7fff7507e890]>, _kCFNetworkCFStreamSSLErrorOriginalValue=-9802, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, kCFStreamPropertySSLPeerCertificates=( | |
| "<SecCertificate 0x7fe159d26ff0 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159d26570 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159d27530 [0x7fff7507e890]>" | |
| )}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://s3.amazonaws.com/, NSErrorFailingURLStringKey=https://s3.amazonaws.com/, NSErrorClientCertificateStateKey=0} | |
| --- | |
| --- | |
| TLSv1.0 | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.0"; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1200 "An SSL error has occurred and a secure connection to the server cannot be made." UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=<SecTrust 0x7fe159e175d0 [0x7fff7507e890]>, NSLocalizedRecoverySuggestion=Would you like to connect to the server anyway?, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, NSErrorPeerCertificateChainKey=( | |
| "<SecCertificate 0x7fe159e15420 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159e15660 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159e158a0 [0x7fff7507e890]>" | |
| ), NSUnderlyingError=0x7fe159f516f0 {Error Domain=kCFErrorDomainCFNetwork Code=-1200 "(null)" UserInfo={_kCFStreamPropertySSLClientCertificateState=0, kCFStreamPropertySSLPeerTrust=<SecTrust 0x7fe159e175d0 [0x7fff7507e890]>, _kCFNetworkCFStreamSSLErrorOriginalValue=-9802, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9802, kCFStreamPropertySSLPeerCertificates=( | |
| "<SecCertificate 0x7fe159e15420 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159e15660 [0x7fff7507e890]>", | |
| "<SecCertificate 0x7fe159e158a0 [0x7fff7507e890]>" | |
| )}}, NSLocalizedDescription=An SSL error has occurred and a secure connection to the server cannot be made., NSErrorFailingURLKey=https://s3.amazonaws.com/, NSErrorFailingURLStringKey=https://s3.amazonaws.com/, NSErrorClientCertificateStateKey=0} | |
| --- | |
| ================================================================================ | |
| Configuring PFS exceptions for s3.amazonaws.com | |
| --- | |
| Disabling Perfect Forward Secrecy | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159d26440 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| ================================================================================ | |
| Configuring PFS exceptions and allowing insecure HTTP for s3.amazonaws.com | |
| --- | |
| Disabling Perfect Forward Secrecy and Allowing Insecure HTTP | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionAllowsInsecureHTTPLoads = true; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe15b81d350 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| ================================================================================ | |
| Configuring TLS exceptions with PFS disabled for s3.amazonaws.com | |
| --- | |
| TLSv1.2 with PFS disabled | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.2"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159e16060 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| --- | |
| TLSv1.1 with PFS disabled | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.1"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159e17380 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| --- | |
| TLSv1.0 with PFS disabled | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionMinimumTLSVersion = "TLSv1.0"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159f99b40 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| ================================================================================ | |
| Configuring TLS exceptions with PFS disabled and insecure HTTP allowed for s3.amazonaws.com | |
| --- | |
| TLSv1.2 with PFS disabled and insecure HTTP allowed | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionAllowsInsecureHTTPLoads = true; | |
| NSExceptionMinimumTLSVersion = "TLSv1.2"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159d34240 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| --- | |
| TLSv1.1 with PFS disabled and insecure HTTP allowed | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionAllowsInsecureHTTPLoads = true; | |
| NSExceptionMinimumTLSVersion = "TLSv1.1"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159e1c470 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| --- | |
| TLSv1.0 with PFS disabled and insecure HTTP allowed | |
| ATS Dictionary: | |
| { | |
| NSExceptionDomains = { | |
| "s3.amazonaws.com" = { | |
| NSExceptionAllowsInsecureHTTPLoads = true; | |
| NSExceptionMinimumTLSVersion = "TLSv1.0"; | |
| NSExceptionRequiresForwardSecrecy = false; | |
| }; | |
| }; | |
| } | |
| Result : FAIL | |
| Error : Error Domain=NSURLErrorDomain Code=-1022 "The resource could not be loaded because the App Transport Security policy requires the use of a secure connection." UserInfo={NSUnderlyingError=0x7fe159e20360 {Error Domain=kCFErrorDomainCFNetwork Code=-1022 "(null)"}, NSErrorFailingURLStringKey=http://aws.amazon.com/s3/, NSErrorFailingURLKey=http://aws.amazon.com/s3/, NSLocalizedDescription=The resource could not be loaded because the App Transport Security policy requires the use of a secure connection.} | |
| --- | |
| ================================================================================ | |
@yothomas though it's 3 years later, would you mind sharing the additional NSincludesSubdomains=true that you made to harden the connection to AWS?
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I get slightly more useful results by running:
nscurl --ats-diagnostics -v https://aws.amazon.com
At least some of the tests pass that.
At the end of the day even the settings that suggests aren't enough though. I have to add in an additional NSIncludesSubdomains = true in order to cover all the url requests AWS makes.