Guarding the frontier (ribat)

Sayyiduna Abdullah bin Amr (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Standing guard (ribat) for one day is better than a month of voluntary fasting and night prayers."
Ahmad recorded it; its chain contains Ibn Lahi'ah, whose hadith is hasan (good), though there is weakness in him.

Sayyiduna Uqbah bin Amir (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) said: "Every deceased person's deeds are sealed, except the one who stands guard in the path of Allah, for the reward of his deeds continues for him until Allah Almighty raises him again." In one narration the words are: "And he is kept safe from the trial of the grave."
Ahmad and al-Tabarani recorded it; its chain contains Ibn Lahi'ah, whose hadith is hasan (good).

Sayyidah Umm al-Darda' (may Allah be pleased with her) reports this as a marfu' hadith (the Prophet (peace and blessings be upon him) said): "Whoever stands guard at any of the Muslims' coasts for three days, that suffices him for a year of standing guard (i.e., he receives the reward of a year of guarding)."
Ahmad and al-Tabarani recorded it through the narration of Isma'il bin Ayyash from the people of Madinah, and the rest of its narrators are thiqat (trustworthy).

Sayyiduna Anas bin Malik (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Whoever stands guard for one night on the seashore, that is more excellent than his worshipping in his own home for a thousand years, (such years) that a year is three hundred and sixty days and every day is a thousand years." (Allamah al-Haythami says:) I say:
Ibn Majah recorded it, except that he did not record the words: "on the seashore."
Abu Ya'la recorded it; its chain contains Sa'id bin Khalid bin Abi Tawil al-Qurashi, who is da'if (weak). Although Ibn Hibban declared him thiqah (trustworthy), he said in his book al-Du'afa': It is not permissible to use him as evidence.

Sayyiduna Uthman bin Affan (may Allah be pleased with him) and Sayyiduna Abu Hurayrah (may Allah be pleased with him) report that the Prophet (peace and blessings be upon him) said: "Whoever dies while standing guard in the path of Allah, the deeds of a fasting person continue (to be recorded) for him, his provision continues for him, he is kept safe from the trial (of the grave), and when Allah Almighty raises him on the Day of Resurrection he will be safe from the Greatest Terror (i.e., the horror of the Day of Resurrection)." (Allamah al-Haythami says:) I say: The hadith of Sayyiduna Abu Hurayrah (may Allah be pleased with him) was recorded by Ibn Majah.
Al-Bazzar recorded it; its chain contains Abdullah bin Salih, whom Abd al-Malik bin Shu'ayb declared thiqah (trustworthy), saying: He is thiqah and ma'mun (trustworthy and reliable). Others declared him da'if (weak). The rest of its narrators are thiqat (trustworthy).

Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) was asked about the reward of standing guard, and he said: "Whoever stands guard for one day to protect the Muslims from beyond them receives a reward like that of those behind him who fast and pray."
Al-Tabarani recorded it in al-Mu'jam al-Awsat, and its narrators are thiqat (trustworthy).

Sayyiduna Jabir (may Allah be pleased with him) narrates: I heard the Prophet (peace and blessings be upon him) say: "Whoever stands guard for one day in the path of Allah, Allah Almighty will place seven trenches between him and Hell, each trench like the seven heavens and the seven earths."
Al-Tabarani recorded it in al-Mu'jam al-Awsat; its chain contains Isa bin Sulayman Abu Taybah, who is da'if (weak).

Sayyiduna Abu Umamah (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Whoever stands guard in the path of Allah, Allah Almighty keeps him safe from the trial of the grave."
Al-Tabarani recorded it in al-Mu'jam al-Kabir and al-Mu'jam al-Awsat.

Sayyiduna Abu Sa'id al-Khudri (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Whoever fasts one day in the path of Allah, Allah Almighty removes him from Hell by a distance of seventy years; and whoever dies while standing guard is saved from the trial of the grave, and his provision continues for him." (Allamah al-Haythami says:) I say: Al-Nasa'i (may Allah have mercy on him) and Ibn Majah recorded only the part of this narration about fasting.
Al-Tabarani recorded it in al-Mu'jam al-Awsat; its chain contains Rishdin bin Sa'd, who is da'if (weak).
This narration is strengthened by mutaba'at (corroborating chains).

Sayyiduna Abu Umamah (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) said: "Complete standing guard is forty days. Whoever stands guard for forty days, without buying or selling during that time and without committing any hadath (wrongful act), comes out of his sins like the day his mother gave birth to him."
Al-Tabarani recorded it; its chain contains Ayyub bin Mudrik, who is matruk (abandoned).

Sayyiduna Abu al-Darda' (may Allah be pleased with him) reports that the Prophet (peace and blessings be upon him) said: "Standing guard for a month is better than fasting perpetually. Whoever dies while standing guard in the path of Allah will be safe from the Greatest Terror; he is provided with his provision and given the fragrance (or breeze) of Paradise, and the reward of a mujahid continues for him until Allah Almighty raises him again (on the Day of Resurrection)."
Al-Tabarani recorded it, and its narrators are thiqat (trustworthy).

Sayyiduna al-Irbad bin Sariyah (may Allah be pleased with him) narrates that the Prophet (peace and blessings be upon him) said: "Every deed is cut off from the one who did it when he dies, except the one who stands guard in the path of Allah, for his deeds keep growing for him and his provision continues for him until the Day of Resurrection."
Al-Tabarani recorded it with two chains, the narrators of one of which are thiqat (trustworthy).

Shurahbil bin al-Simt narrates that he saw Sayyiduna Salman al-Farisi (may Allah be pleased with him) standing guard on the coast of Hims, and said: What are you doing? He said: I am standing guard. Sayyiduna Salman (may Allah be pleased with him) said: I heard the Prophet (peace and blessings be upon him) say: "Standing guard for one day in the path of Allah is like a month of voluntary fasting and night prayer. Whoever dies while standing guard, Allah Almighty continues for him the deeds he used to do, he is kept safe from the trial (of the grave), and he will be raised on the Day of Resurrection as a martyr."
Al-Tabarani recorded it; its chain contains narrators whom I do not know.

Sayyiduna Utbah bin al-Nuddar (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) said: "When your military expeditions are cut off, spoils of war are treated as lawful, and penalties become many, then the best of your jihad is guarding the frontier (ribat)."
Al-Tabarani recorded it; its chain contains a narrator, Suwayd bin Abd al-Aziz, who is matruk (abandoned).