| T. Ylonen, T. Kivinen, M. Saarinen, T. Rinne, and S. Lehtinen. SSH protocol architecture, September 2002. |
....isolates trust management into a pluggable trust authorization module. We also present an initial design for a host level secure communication resource that provides secure channels for multiple connections. 1 Introduction Present tools for establishing secure communication channels such as SSH [16] and SSL TLS [6] authenticate PKI identity; however, SSH provides no mechanisms for authorization beyond access control lists, and SSL TLS is limited to validation of X.509 certificate chains at the time a connection is requested. In addition, these systems present serious time of check to ....
T. Ylonen, T. Kivinen, M. Saarinen, T. Rinne, and S. Lehtinen. SSH Protocol Architecture. Available at http: //www.ssh.com/tech, 2001.
....by GCB server, end to end reliability issue can be raised. Certainly errors injected to packets by malicious or erroneous GCB server may not be detected by applications. However, relay mechanism has been accepted by Internet community and has been being widely used by applications such as SSH [20, 21] and SOCKS. Furthermore, TCP checksum is not perfect and we have seen many cases that error packets pass TCP checksum without being detected. Hence we claim that application level reliability or integrity mechanisms should be used if strong end to end reliability is required. 4.2.1. Client ....
Ylonen, T., "SSH Protocol Architecture", I-D draft-ietf- architecture-13.txt, Sept. 2002.
....which can be the Internet or a provider network used to implement private virtual networks. In most instances, the remote computer obtains a single dynamic IP address in the provider range and security is added by encrypting the tra#c in the application (SSL [1] in an application tunnel (SSH [2]) or at IP level (IPSEC [3] In some situations these already classical solutions are inadequate. One approach is to solve each individual problem when it appears. Another is to try to specify the ideal situation and to try to implement it. We choose this second approach. Our purpose is to ....
Ylonen, T.; Kivinen, T.; Saarinen, M.; Rinne, T.: Lehtinen, S.: "SSH Protocol Architecture ", Internet Draft <draft-ietf-secsh-architecture-09.txt>, work in progress, July 2001.
....which can be the Internet or a provider network used to implement private virtual networks. In most instances, the remote computer obtains a single dynamic IP address in the provider range and security is added by encrypting the traffic in the application (SSL [1] in an application tunnel (SSH [2]) or at IP level (IPSEC [3] In some situations these already classical solutions are inadequate. One approach is to solve each individual problem when it appears. Another is to try to specify the ideal situation and to try to implement it. We choose this second approach. Our purpose is to ....
Ylonen, T.; Kivinen, T.; Saarinen, M.; Pdnne, T.: Lehtinen, S.: "SSH Protocol Architecture ", Internet Draft draft-ietf-secsh-architecture-09.txt), work in progress, July 2001.
....than a host talking to another host or router. A naming service is also provided so a process can describe with whom it wants to communicate. The Secure SHell (SSH) architecture was designed as a secure replacement for the sessionlayer telnet, but is based on a secure transport layer protocol [Ylonen99]. Data is sent over a reliable network connection in blocks of up 35000 bytes (or larger when both parties agree) and can be compressed, encrypted, and authenticated with a Message Authentication Code. The keys used to encrypt and authenticate the data packets can be negotiated when the link is ....
T. Ylonen et al. SSH Protocol Architecture. IETF work in progress,February
....Information CECI 2001, Jakarta, Indonesia, March 7 8, 2001, pp IT39 IT43 Indonesian Society on Electrical, Electronics, Communication and Information (IECI) ISBN : 979 8575 02 4 II. SSH PROTOCOL OVERVIEW Secure Shell is an application protocol, which consists of three layered components [9] (see Figure 1) Fig. 1. SSH protocol layers in the application layer of the TCP IP protocol stack. The bottom layer in the SSH protocol is known as the SSH Transport Layer. This layer is responsible for providing encryption, compression (if necessary) and server authentication. Protocol ....
T. Ylonen, T. Kivinen, M. Saarinen, T. Rinne, and S. Lehtinen, "SSH Protocol Architecture", Internet Draft, Helsinki University of Technology, 9 January 2001.
....5. If acknowledgment is not received within MAP TIMEOUT, request is considered to have failed. Protocol 4: Mapping global to local identifier. as secure as the local authentication method. Clearly, resources with strong authentication (for example based on Kerberos [14] S KEY, or Secure Shell [22]) will result in a more secure mapping. 6 An Implementation of the Grid Security Architecture In this section, we describe the Globus Security Infrastructure (GSI) an implementation of our proposed grid security architecture. GSI was developed as part of the Globus project [5] whose focus is ....
T. Ylonen, T. Kivinen, and M. Saarinen. SSH protocol architecture. Internet draft, November 1997.
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T. Ylonen, T. Kivinen, M. Saarinen, T. Rinne, and S. Lehtinen. SSH protocol architecture, September 2002.
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T. Ylonen, e.a.: SSH protocol architecture (1998) Work in Progress.
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Ylonen, T., & Mo#at, D. (2003), SSH Protocol Architecture, Internet-Draft, IETF Network Working Group.
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T. Ylonen, et al., "SSH Protocol Architecture", Work in Progress, August 1998.
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T. Ylnen, T. Kivinen, M. Saarinen, T. Rinne, and S. Lehtinen, "SSH Protocol Architecture." Internet Engineering Task Force, Network Working Group, draft-ietf-secsh-architecture-07.txt, 1 2001. http://www.ietf.org/internetdrafts /draft-ietf-secsh-architecture-07.txt.
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Ylonen, T., Kivinen, T., Saarinen, M., Rinne, T., and Lehtinen, S., "SSH Protocol Architecture", Network Working Group, IETF, Auguest 1998. http://search.ietf.org/internetdrafts /draft-ietf-secsh-architecture-02.txt 15
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