A brief description of each field is given below:
skip_if_ipkts |
Packets received by the interface. |
skip_if_opkts |
Packets sent by the interface. |
skip_if_encrypts |
Packets encrypted. |
skip_if_decrypts |
Packets decrypted. |
skip_if_drops |
Packets dropped. |
skip_if_notv4 |
Packets that are not IPv4 packets. |
skip_if_bypasses |
The number of certificate packets. |
skip_if_raw_in |
Raw AH and ESP packets received by the interface. |
skip_if_raw_out |
Raw AH and ESP packets sent by the interface. |
Selecting File --> SKIP Statistics --> Header Stats displays the Header Statistics window (Figure 3-15). In the field descriptions below, V1 refers to SKIP Version 1.
A brief description of each field in SKIP Header Statistics window is given below:
skip_hdr_bad_versions |
The number of headers with invalid protocol versions. |
skip_hdr_short_ekps |
The number of headers with short eKp fields. |
skip_hdr_short_mids |
The number of headers with short MID fields. |
skip_hdr_bad_kp_algs |
The number of headers with unknown cryptographic algorithms. |
V1 skip_hdr_encodes |
The number of SKIP V1 headers encoded. |
V1 skip_hdr_decodes |
The number of SKIP V1 headers decoded. |
V1 skip_hdr_runts |
The number of headers with short SKIP V1 packets. |
V1 skip_hdr_short_nodeids |
The number of headers with short SKIP V1 key ID. |
IPSP skip_ipsp_decodes |
The number of SKIP headers decoded. |
IPSP skip_ipsp_encodes |
The number of SKIP headers encoded. |
IPSP skip_hdr_bad_nsid |
The number of headers with a bad SKIP name- space ID. |
IPSP skip_hdr_bad_mac_algs |
The number of headers with unknown or bad authentication algorithms. |
IPSP skip_hdr_bad_mac_size |
The number of headers with an authentication error in the MAC size. |
IPSP skip_hdr_bad_mac_val |
The number of headers with an authentication error in the MAC value. |
IPSP skip_hdr_bad_next |
The number of headers with a bad SKIP next protocol field. |
IPSP skip_hdr_bad_esp_spi |
The number of headers with a bad SKIP SPI field. |
IPSP skip_hdr_bad_ah_spi_ |
The number of bad AH/SPI headers (manual keying). |
IPSP skip_hdr_bad_iv |
The number of headers with a bad SKIP initialization vector. |
IPSP skip_hdr_short_r_mkeyid |
The number of headers with a short SKIP receiver key ID. |
IPSP skip_hdr_short_s_mkeyid |
The number of headers with a short SKIP sender key ID. |
IPSP skip_hdr_bad_r_mkeyid |
The number of headers with a bad SKIP receiver key ID. |
Selecting File --> SKIP Statistics --> Key Stats displays the Key Statistics window (Figure 3-16).
A brief description of each field on the Key Statistics window is given below:
skip_key_max_idle |
The time, in seconds, until an unused key is reclaimed. |
skip_key_max_bytes |
Maximum number of bytes to encrypt before discarding a key. |
skip_encrypt_keys_active |
Number of encryption keys in the cache. |
skip_decrypt_keys_active |
Number of decryption keys in the cache. |
skip_key_lookups |
The total number of key cache lookups. |
skip_keymgr_requests |
The total number of key cache misses (key not found). |
skip_key_reclaims |
The total number of key entries reclaimed. |
skip_hash_collisions |
The total number of table collisions. |
Selecting File --> SKIP Statistics --> Encryption Stats (Version 1) displays the Algorithm Statistics window for SKIP Version 1 (Figure 3-17).
Selecting File --> SKIP Statistics --> Encryption Stats displays the Algorithm Statistics window shown in Figure 3-18.
One set of statistics is displayed for each different traffic and key encryption module. A brief description of each field is give below:
Crypto Module Name |
The name of the cryptographic module for which the statistics are being displayed. |
encrypts |
Number of successful encryptions. |
encrypterrs |
Number of failed encryptions. |
decrypts |
Number of successful decryptions. |
decrypterrs |
Number of failed decryptions. |
Selecting File --> SKIP Statistics --> Authentication Stats displays the Authentication Statistics window (Figure 3-19), which provides information on MACs (Message Authentication Code).
A brief description of each field on the Authentication Stats window is given below:
MAC_Module_Name |
MAC method used for authentication. |
in_mac |
Number of received MAC calculations that succeeded. |
in_mac_errs |
Number of received MAC calculations that failed. |
out_mac |
Number of sent MAC calculations that succeeded. |
out_mac_errs |
Number of sent MAC calculations that failed. |