@misc{rfc8270, series = {Request for Comments}, number = 8270, howpublished = {RFC 8270}, publisher = {RFC Editor}, doi = {10.17487/RFC8270}, url = {https://www.rfc-editor.org/info/rfc8270}, author = {Loganaden Velvindron and Mark D. Baushke}, title = {{Increase the Secure Shell Minimum Recommended Diffie-Hellman Modulus Size to 2048 Bits}}, pagetotal = 5, year = 2017, month = dec, abstract = {The Diffie-Hellman (DH) Group Exchange for the Secure Shell (SSH) transport-layer protocol specifies that servers and clients should support groups with a minimum modulus group size of 1024 bits. Recent security research has shown that the minimum value of 1024 bits is insufficient to protect against state-sponsored actors and any organization with enough computing resources. This RFC updates RFC 4419, which allowed for DH moduli less than 2048 bits; now, 2048 bits is the minimum acceptable group size.}, }